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10 vulnerabilities found for LiteSpeed Cache by Unknown
CVE-2026-113501 (GCVE-0-2026-113501)
Vulnerability from nvd – Published: 2026-10-23 06:00 – Updated: 2026-10-23 10:46
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 7.9.2 - Subscriber+ Pinned Administrative Notice Dismissal
Summary
The LiteSpeed Cache WordPress plugin before 7.9.2 does not perform a capability check on its admin-notice dismissal handler, and the nonce it relies on is not bound to the specific notice being dismissed, so on sites in certain configurations a low-privileged authenticated user (Subscriber) can dismiss administrative notices the LiteSpeed Cache WordPress plugin before 7.9.2 marks as non-dismissible, including a warning that sensitive files may be publicly accessible.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:36 UTC
CWE
- CWE-862 Missing Authorization
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/a1f6a6c7-1d08-4d… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
0 , < 7.9.2
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-113501",
"options": [
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},
{
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{
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}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-23T10:36:53.147587Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-23T10:46:03.255Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "LiteSpeed Cache",
"vendor": "Unknown",
"versions": [
{
"lessThan": "7.9.2",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Karthik Ramakrishnan"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The LiteSpeed Cache WordPress plugin before 7.9.2 does not perform a capability check on its admin-notice dismissal handler, and the nonce it relies on is not bound to the specific notice being dismissed, so on sites in certain configurations a low-privileged authenticated user (Subscriber) can dismiss administrative notices the LiteSpeed Cache WordPress plugin before 7.9.2 marks as non-dismissible, including a warning that sensitive files may be publicly accessible."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-23T06:00:20.493Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/a1f6a6c7-1d08-4d5c-ac57-bda5ff59737b/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "LiteSpeed Cache \u003c 7.9.2 - Subscriber+ Pinned Administrative Notice Dismissal",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-113501",
"datePublished": "2026-10-23T06:00:20.493Z",
"dateReserved": "2026-10-20T09:59:42.135Z",
"dateUpdated": "2026-10-23T10:46:03.255Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-113500 (GCVE-0-2026-113500)
Vulnerability from nvd – Published: 2026-10-23 06:00 – Updated: 2026-10-23 10:46
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 7.9.2 - Unauthenticated Stored XSS via Font Display Optimization
Summary
The LiteSpeed Cache WordPress plugin before 7.9.2 does not limit one of its HTML optimization routines to stylesheet content, so it can delete the markup that closes an attribute in the rendered page, and combined with unescaped comment author output this allows unauthenticated users whose comments are published to inject event-handler attributes that run JavaScript in the browser of any visitor, including a logged-in administrator, viewing front-end pages while the optimization is enabled.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:37 UTC
CWE
- CWE-79 Cross-Site Scripting (XSS)
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/f841e09f-275c-4c… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
0 , < 7.9.2
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-113500",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-23T10:37:02.256073Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-23T10:46:03.416Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "LiteSpeed Cache",
"vendor": "Unknown",
"versions": [
{
"lessThan": "7.9.2",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Jakub Herman"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The LiteSpeed Cache WordPress plugin before 7.9.2 does not limit one of its HTML optimization routines to stylesheet content, so it can delete the markup that closes an attribute in the rendered page, and combined with unescaped comment author output this allows unauthenticated users whose comments are published to inject event-handler attributes that run JavaScript in the browser of any visitor, including a logged-in administrator, viewing front-end pages while the optimization is enabled."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79 Cross-Site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-23T06:00:20.249Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/f841e09f-275c-4c10-a5b7-af294f92db29/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "LiteSpeed Cache \u003c 7.9.2 - Unauthenticated Stored XSS via Font Display Optimization",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-113500",
"datePublished": "2026-10-23T06:00:20.249Z",
"dateReserved": "2026-10-20T09:59:40.337Z",
"dateUpdated": "2026-10-23T10:46:03.416Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-113499 (GCVE-0-2026-113499)
Vulnerability from nvd – Published: 2026-10-23 06:00 – Updated: 2026-10-23 10:46
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 7.9.2 - Unauthenticated Stored XSS via CDN Inline CSS Rewriting
Summary
The LiteSpeed Cache WordPress plugin before 7.9.2 does not restrict one of its HTML rewriting routines to stylesheet content, so it removes a quote that terminates an attribute in the rendered page, and combined with unescaped comment author output this allows unauthenticated users whose comment is published to inject attributes that execute JavaScript in the browser of any visitor, including a logged-in administrator, who views front-end pages while the affected option is enabled.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:37 UTC
CWE
- CWE-79 Cross-Site Scripting (XSS)
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/f04afdab-33fb-41… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
0 , < 7.9.2
(semver)
|
{
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"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-113499",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-23T10:37:20.900382Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
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"descriptions": [
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"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-23T10:46:03.570Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "LiteSpeed Cache",
"vendor": "Unknown",
"versions": [
{
"lessThan": "7.9.2",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Jakub Herman"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The LiteSpeed Cache WordPress plugin before 7.9.2 does not restrict one of its HTML rewriting routines to stylesheet content, so it removes a quote that terminates an attribute in the rendered page, and combined with unescaped comment author output this allows unauthenticated users whose comment is published to inject attributes that execute JavaScript in the browser of any visitor, including a logged-in administrator, who views front-end pages while the affected option is enabled."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79 Cross-Site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-23T06:00:20.079Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/f04afdab-33fb-41a9-9270-908673998bb8/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "LiteSpeed Cache \u003c 7.9.2 - Unauthenticated Stored XSS via CDN Inline CSS Rewriting",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-113499",
"datePublished": "2026-10-23T06:00:20.079Z",
"dateReserved": "2026-10-20T09:59:38.453Z",
"dateUpdated": "2026-10-23T10:46:03.570Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2021-24964 (GCVE-0-2021-24964)
Vulnerability from nvd – Published: 2022-01-03 12:49 – Updated: 2025-05-22 18:39
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS
Summary
The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-22 15:21 UTC
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/e9966b3e-2eb9-4d… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
4.4.4 , < 4.4.4
(custom)
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T19:49:14.371Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
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"x_transferred"
],
"url": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2021-24964",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-05-22T15:21:22.171177Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-05-22T18:39:45.298Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "LiteSpeed Cache",
"vendor": "Unknown",
"versions": [
{
"lessThan": "4.4.4",
"status": "affected",
"version": "4.4.4",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Emil Kylander"
}
],
"descriptions": [
{
"lang": "en",
"value": "The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Cross-site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-01-03T12:49:08.000Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "LiteSpeed Cache \u003c 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS",
"x_generator": "WPScan CVE Generator",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "contact@wpscan.com",
"ID": "CVE-2021-24964",
"STATE": "PUBLIC",
"TITLE": "LiteSpeed Cache \u003c 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "LiteSpeed Cache",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "4.4.4",
"version_value": "4.4.4"
}
]
}
}
]
},
"vendor_name": "Unknown"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Emil Kylander"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users."
}
]
},
"generator": "WPScan CVE Generator",
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-79 Cross-site Scripting (XSS)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc",
"refsource": "MISC",
"url": "https://wpscan.com/vulnerability/e9966b3e-2eb9-4d70-8c18-6a829b4827cc"
}
]
},
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2021-24964",
"datePublished": "2022-01-03T12:49:08.000Z",
"dateReserved": "2021-01-14T00:00:00.000Z",
"dateUpdated": "2025-05-22T18:39:45.298Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-24963 (GCVE-0-2021-24963)
Vulnerability from nvd – Published: 2022-01-03 12:49 – Updated: 2024-08-03 19:49
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 4.4.4 - Admin+ Reflected Cross-Site Scripting
Summary
The LiteSpeed Cache WordPress plugin before 4.4.4 does not escape the qc_res parameter before outputting it back in the JS code of an admin page, leading to a Reflected Cross-Site Scripting
Severity
No CVSS data available.
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/7f8b4275-7586-4e… | x_refsource_MISC |
| https://plugins.trac.wordpress.org/changeset/2634373 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
4.4.4 , < 4.4.4
(custom)
|
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CVE-2026-113501 (GCVE-0-2026-113501)
Vulnerability from cvelistv5 – Published: 2026-10-23 06:00 – Updated: 2026-10-23 10:46
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 7.9.2 - Subscriber+ Pinned Administrative Notice Dismissal
Summary
The LiteSpeed Cache WordPress plugin before 7.9.2 does not perform a capability check on its admin-notice dismissal handler, and the nonce it relies on is not bound to the specific notice being dismissed, so on sites in certain configurations a low-privileged authenticated user (Subscriber) can dismiss administrative notices the LiteSpeed Cache WordPress plugin before 7.9.2 marks as non-dismissible, including a warning that sensitive files may be publicly accessible.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:36 UTC
CWE
- CWE-862 Missing Authorization
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/a1f6a6c7-1d08-4d… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
0 , < 7.9.2
(semver)
|
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CVE-2026-113500 (GCVE-0-2026-113500)
Vulnerability from cvelistv5 – Published: 2026-10-23 06:00 – Updated: 2026-10-23 10:46
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 7.9.2 - Unauthenticated Stored XSS via Font Display Optimization
Summary
The LiteSpeed Cache WordPress plugin before 7.9.2 does not limit one of its HTML optimization routines to stylesheet content, so it can delete the markup that closes an attribute in the rendered page, and combined with unescaped comment author output this allows unauthenticated users whose comments are published to inject event-handler attributes that run JavaScript in the browser of any visitor, including a logged-in administrator, viewing front-end pages while the optimization is enabled.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:37 UTC
CWE
- CWE-79 Cross-Site Scripting (XSS)
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/f841e09f-275c-4c… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
0 , < 7.9.2
(semver)
|
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CVE-2026-113499 (GCVE-0-2026-113499)
Vulnerability from cvelistv5 – Published: 2026-10-23 06:00 – Updated: 2026-10-23 10:46
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 7.9.2 - Unauthenticated Stored XSS via CDN Inline CSS Rewriting
Summary
The LiteSpeed Cache WordPress plugin before 7.9.2 does not restrict one of its HTML rewriting routines to stylesheet content, so it removes a quote that terminates an attribute in the rendered page, and combined with unescaped comment author output this allows unauthenticated users whose comment is published to inject attributes that execute JavaScript in the browser of any visitor, including a logged-in administrator, who views front-end pages while the affected option is enabled.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:37 UTC
CWE
- CWE-79 Cross-Site Scripting (XSS)
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/f04afdab-33fb-41… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
0 , < 7.9.2
(semver)
|
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CVE-2021-24964 (GCVE-0-2021-24964)
Vulnerability from cvelistv5 – Published: 2022-01-03 12:49 – Updated: 2025-05-22 18:39
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS
Summary
The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-22 15:21 UTC
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/e9966b3e-2eb9-4d… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
4.4.4 , < 4.4.4
(custom)
|
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}
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CVE-2021-24963 (GCVE-0-2021-24963)
Vulnerability from cvelistv5 – Published: 2022-01-03 12:49 – Updated: 2024-08-03 19:49
VLAI
EPSS
VEX
Title
LiteSpeed Cache < 4.4.4 - Admin+ Reflected Cross-Site Scripting
Summary
The LiteSpeed Cache WordPress plugin before 4.4.4 does not escape the qc_res parameter before outputting it back in the JS code of an admin page, leading to a Reflected Cross-Site Scripting
Severity
No CVSS data available.
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/7f8b4275-7586-4e… | x_refsource_MISC |
| https://plugins.trac.wordpress.org/changeset/2634373 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | LiteSpeed Cache |
Affected:
4.4.4 , < 4.4.4
(custom)
|
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