Privilege escalation in Thorsten Phpmyfaq
CVE-2026-35671
phpMyFAQ before 4.1.3 contains an insecure direct object reference vulnerability in the admin API user password endpoint that allows authenticated administrators to change any user's password without authorization verification. An attacker with low-privilege admin credentials can escalate to SuperAdmin by modifying the userId parameter in the overwrite-password API request.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (37.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Thorsten Phpmyfaq — versions 0, 4.1.3
Weakness classification (CWE)
References
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-xvp4-phqj-cjr3 (vendor-advisory, third-party-advisory)
- www.vulncheck.com/advisories/phpmyfaq-insecure-direct-object-reference-in-user-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-35671?
- CVE-2026-35671 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Incorrect Privilege Assignment. CVSS score: 8.8/10. Published 2026-05-28.
- How severe is CVE-2026-35671?
- High severity. CVSS v3 base score is 8.8 out of 10.