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2 vulnerabilities found for Blacklist Manager by Unknown
CVE-2026-88828 (GCVE-0-2026-88828)
Vulnerability from nvd – Published: 2026-09-28 06:19 – Updated: 2026-09-28 15:32
VLAI
EPSS
VEX
Title
Blacklist Manager for WooCommerce 1.3.0 - 2.3.1 - Blocked User Restriction Bypass via XML-RPC and Application Passwords
Summary
The Blacklist Manager for WooCommerce WordPress plugin from 1.3.0 to 2.3.1 does not enforce its user blocking on every authentication path, allowing the holder of an account the site owner has blocked to keep authenticating with that account's privileges, without the block being enforced or recorded.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 15:31 UTC
CWE
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/52804421-8988-4d… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Blacklist Manager |
Affected:
1.3.0 , < 2.3.2
(semver)
|
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],
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"timestamp": "2026-09-28T15:31:32.635228Z",
"version": "2.0.3"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"product": "Blacklist Manager",
"vendor": "Unknown",
"versions": [
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"status": "affected",
"version": "1.3.0",
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]
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],
"credits": [
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"type": "finder",
"value": "Naoki Kawahigashi"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
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}
],
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"providerMetadata": {
"dateUpdated": "2026-09-28T06:19:21.191Z",
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"shortName": "WPScan"
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"url": "https://wpscan.com/vulnerability/52804421-8988-4d8a-9143-04683d05873d/"
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],
"source": {
"discovery": "EXTERNAL"
},
"title": "Blacklist Manager for WooCommerce 1.3.0 - 2.3.1 - Blocked User Restriction Bypass via XML-RPC and Application Passwords",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
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"assignerShortName": "WPScan",
"cveId": "CVE-2026-88828",
"datePublished": "2026-09-28T06:19:21.191Z",
"dateReserved": "2026-09-10T09:34:02.869Z",
"dateUpdated": "2026-09-28T15:32:11.373Z",
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CVE-2026-88828 (GCVE-0-2026-88828)
Vulnerability from cvelistv5 – Published: 2026-09-28 06:19 – Updated: 2026-09-28 15:32
VLAI
EPSS
VEX
Title
Blacklist Manager for WooCommerce 1.3.0 - 2.3.1 - Blocked User Restriction Bypass via XML-RPC and Application Passwords
Summary
The Blacklist Manager for WooCommerce WordPress plugin from 1.3.0 to 2.3.1 does not enforce its user blocking on every authentication path, allowing the holder of an account the site owner has blocked to keep authenticating with that account's privileges, without the block being enforced or recorded.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 15:31 UTC
CWE
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/52804421-8988-4d… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Blacklist Manager |
Affected:
1.3.0 , < 2.3.2
(semver)
|
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"metrics": [
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},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-28T15:31:32.635228Z",
"version": "2.0.3"
},
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}
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"dateUpdated": "2026-09-28T15:32:11.373Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"product": "Blacklist Manager",
"vendor": "Unknown",
"versions": [
{
"lessThan": "2.3.2",
"status": "affected",
"version": "1.3.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Naoki Kawahigashi"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Blacklist Manager for WooCommerce WordPress plugin from 1.3.0 to 2.3.1 does not enforce its user blocking on every authentication path, allowing the holder of an account the site owner has blocked to keep authenticating with that account\u0027s privileges, without the block being enforced or recorded."
}
],
"metrics": [
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"cvssV3_1": {
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
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],
"providerMetadata": {
"dateUpdated": "2026-09-28T06:19:21.191Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
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"technical-description"
],
"url": "https://wpscan.com/vulnerability/52804421-8988-4d8a-9143-04683d05873d/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Blacklist Manager for WooCommerce 1.3.0 - 2.3.1 - Blocked User Restriction Bypass via XML-RPC and Application Passwords",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
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"assignerShortName": "WPScan",
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"datePublished": "2026-09-28T06:19:21.191Z",
"dateReserved": "2026-09-10T09:34:02.869Z",
"dateUpdated": "2026-09-28T15:32:11.373Z",
"state": "PUBLISHED"
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