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2 vulnerabilities found for Joinchat by Unknown
CVE-2026-118071 (GCVE-0-2026-118071)
Vulnerability from nvd – Published: 2026-10-30 06:00 – Updated: 2026-10-30 13:26
VLAI
EPSS
VEX
Title
Joinchat 6.3.2 - 6.4.1 - Author+ Stored XSS via Button Block Message Attribute
Summary
The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 13:17 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/6ac942c3-d39f-44… | exploitvdb-entrytechnical-description |
Impacted products
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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"timestamp": "2026-10-30T13:17:01.452074Z",
"version": "2.0.3"
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
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"product": "Joinchat",
"vendor": "Unknown",
"versions": [
{
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}
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}
],
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"providerMetadata": {
"dateUpdated": "2026-10-30T06:00:23.702Z",
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"url": "https://wpscan.com/vulnerability/6ac942c3-d39f-4431-97c4-ba9d8c87df21/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Joinchat 6.3.2 - 6.4.1 - Author+ Stored XSS via Button Block Message Attribute",
"x_generator": {
"engine": "WPScan CVE Generator"
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},
"cveMetadata": {
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"datePublished": "2026-10-30T06:00:23.702Z",
"dateReserved": "2026-10-27T15:59:26.288Z",
"dateUpdated": "2026-10-30T13:26:46.982Z",
"state": "PUBLISHED"
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CVE-2026-118071 (GCVE-0-2026-118071)
Vulnerability from cvelistv5 – Published: 2026-10-30 06:00 – Updated: 2026-10-30 13:26
VLAI
EPSS
VEX
Title
Joinchat 6.3.2 - 6.4.1 - Author+ Stored XSS via Button Block Message Attribute
Summary
The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 13:17 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/6ac942c3-d39f-44… | exploitvdb-entrytechnical-description |
Impacted products
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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},
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"timestamp": "2026-10-30T13:17:01.452074Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
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"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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"type": "CWE"
}
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}
],
"providerMetadata": {
"dateUpdated": "2026-10-30T13:26:46.982Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Joinchat",
"vendor": "Unknown",
"versions": [
{
"lessThan": "6.4.2",
"status": "affected",
"version": "6.3.2",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Qi Qin"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
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}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79 Cross-Site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-30T06:00:23.702Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
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"technical-description"
],
"url": "https://wpscan.com/vulnerability/6ac942c3-d39f-4431-97c4-ba9d8c87df21/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Joinchat 6.3.2 - 6.4.1 - Author+ Stored XSS via Button Block Message Attribute",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
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"assignerShortName": "WPScan",
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"dateReserved": "2026-10-27T15:59:26.288Z",
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