WordPress plugin
Advanced Google reCAPTCHA <= 5.40 — Unauthenticated Login Protection Bypass
CVE-2026-100518Published · Updated Action summary
Affected: ≤5.40Update to 5.41 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-287 Improper Authentication
- Required access
- No account needed
- Exploit prediction (EPSS)
- 0.3% chance in 30 days17th percentile
- CISA KEV
- Not listed
On this page8
Am I affected?
Advanced Google reCAPTCHA advanced-google-recaptcha
- Affected≤ 5.40
- Patched in5.41
Update to 5.41 or newer.
You are affected if you run ≤ 5.40. Version 5.41 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Advanced Google reCAPTCHA.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 5.41, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Advanced Google reCAPTCHA to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Asim Alshaya.
The Advanced Google reCAPTCHA plugin for WordPress is vulnerable to Login Protection Bypass in all versions up to, and including, 5.40. This makes it possible for unauthenticated attackers to bypass log in protection.
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 Advanced Google reCAPTCHA
All 6| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Authenticated (Subscriber+) Authentication Bypass via Temporary Login Link ≤5.38Update to 5.39 | CVE-2026-5415 | |
| High8.8 | Missing Authorization to Authenticated (Subscriber+) Arbitrary File Upload ≤5.38Update to 5.39 | CVE-2026-5411 | |
| Medium5.3 | Authenticated (Subscriber+) Limited SQL Injection via 'sSearch' Parameter ≤1.29Update to 1.30 | CVE-2025-2074 | |
| Medium5.3 | Built-in Math CAPTCHA Bypass ≤1.27Update to 1.28 | CVE-2025-1262 | |
| Medium5.3 | Brute Force Protection IP Unblock ≤1.25Update to 1.26 | CVE-2024-12034 |
- High8.8Authenticated (Subscriber+) Authentication Bypass via Temporary Login Link
≤5.38Update to 5.39
- High8.8Missing Authorization to Authenticated (Subscriber+) Arbitrary File Upload
≤5.38Update to 5.39
- Medium5.3Authenticated (Subscriber+) Limited SQL Injection via 'sSearch' Parameter
≤1.29Update to 1.30
- Medium5.3Built-in Math CAPTCHA Bypass
≤1.27Update to 1.28
- Medium5.3Brute Force Protection IP Unblock
≤1.25Update to 1.26
Timeline
CVE published
Severity medium, CVSS 5.3
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.