Vulnerability Description
phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. Attackers with a valid password can bypass the five-attempt limit by obtaining a fresh session cookie and repeatedly re-authenticating to reset the counter, enabling unbounded TOTP code guessing.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Phpmyfaq | Phpmyfaq | < 4.1.7 |
Related Weaknesses (CWE)
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f98m-hcjv-7rp9ExploitMitigationVendor Advisory
- https://www.vulncheck.com/advisories/phpmyfaq-before-2fa-brute-force-via-sessionThird Party Advisory
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f98m-hcjv-7rp9ExploitMitigationVendor Advisory
FAQ
What is CVE-2026-76213?
CVE-2026-76213 is a vulnerability with a CVSS score of 7.4 (HIGH). phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. At...
How severe is CVE-2026-76213?
CVE-2026-76213 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-76213?
Check the references section above for vendor advisories and patch information. Affected products include: Phpmyfaq Phpmyfaq.