PT-2026-41366 · Thorsten · Phpmyfaq

Adrgs · Published 2026-05-15 · Updated 2026-05-15 · CVE-2026-46364

NVD

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

phpMyFAQ before 4.1.2 contains an unauthenticated SQL injection vulnerability in BuiltinCaptcha::garbageCollector() and BuiltinCaptcha::saveCaptcha() methods that interpolate unsanitized User-Agent headers into DELETE and INSERT queries. Unauthenticated attackers can exploit the public GET /api/captcha endpoint by crafting malicious User-Agent headers to perform time-based blind SQL injection, extracting sensitive data including user credentials, admin tokens, and SMTP credentials from the database.

Fix

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2026-46364

Affected Products

Phpmyfaq

References · 4

• https://github.com/thorsten/phpMyFAQ/commit/b9f25109fddb38eee19987183798638d07943f92 · Patch
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-289f-fq7w-6q2w · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-46364 · Security Note
• https://vulncheck.com/advisories/phpmyfaq-sql-injection-via-user-agent-header-in-builtincaptcha · Note