Vulnerability in Phpmyfaq
CVE-2026-75920
phpMyFAQ before v4.1.6 writes content backup ZIP archives to the web-accessible document root at content.zip, exposing sensitive files including database credentials. Unauthenticated attackers can race concurrent requests to download the temporary ZIP file before deletion, or exploit XSS in admin contexts to trigger authenticated backups and retrieve the archive.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% 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: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-8hmh-mrx6-pqvf (Exploit, vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/phpmyfaq-before-information-disclosure-via-backup-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-75920?
- CVE-2026-75920 is a medium-severity vulnerability in Phpmyfaq, classified under Insecure Temporary File. CVSS score: 5.3/10. Published 2026-08-19.
- How severe is CVE-2026-75920?
- Medium severity. CVSS v3 base score is 5.3 out of 10.