Blacklist Manager for WooCommerce 1.3.0 — 2.3.1 - Blocked User Restriction Bypass
CVE-2026-88828Published · Updated Action summary
Affected: 1.3.0 – 2.3.1Update to 2.3.2 or newer
All remediation steps- Severity
- Medium4.3
- CVSS
- 4.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Required access
- Unknown
- Exploit prediction (EPSS)
- 0.2% chance in 30 days5th percentile
- CISA KEV
- Not listed
On this page8
Am I affected?
Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification wc-blacklist-manager
- Affected1.3.0 – 2.3.1
- Patched in2.3.2
Update to 2.3.2 or newer.
You are affected if you run 1.3.0 – 2.3.1. Version 2.3.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 2.3.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Naoki Kawahigashi.
The Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification plugin for WordPress is vulnerable to blocked user bypass in versions 1.3.0 to 2.3.1. This makes it possible for authenticated attackers, with Custom-level access and above, to continue to access their account even when they have been blocked.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification
All 2| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Cross-Site Request Forgery ≤2.3.1Update to 2.3.2 | CVE-2026-96838 |
- Medium4.3Cross-Site Request Forgery
≤2.3.1Update to 2.3.2
Timeline
CVE published
Severity medium, CVSS 4.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- EPSS
- Exploit Prediction Scoring System by FIRST.org.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.