Blacklist Manager for WooCommerce 1.3.0 - 2.3.1 - Blocked User Restriction Bypass via XML-RPC and Application Passwords
Priority LOW 24CWE-288Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00162 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Blacklist Manager (Unknown): 2.3.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Blacklist Manager | 1.3.0 to before 2.3.2 | 2.3.2 | Patch available | CNA |
- Blacklist Manager VendorUnknown Affected 1.3.0 to before 2.3.2 Fixed in 2.3.2 Patch available CNA
Remediation
- Fix · CNA Blacklist Manager (Unknown) Fixed in 2.3.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-88828
- 2026-10-03 Alias added: GHSA-gg4x-5759-6rq2
References
Sources
- CVE-2026-88828 · CVE Program
- CVE-2026-88828 · NVD
- FIRST EPSS
- GHSA-gg4x-5759-6rq2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences