Critical severity9.8NVD Advisory· Published May 15, 2026· Updated Jun 17, 2026
CVE-2026-46364
CVE-2026-46364
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
thorsten/phpmyfaqPackagist | < 4.1.2 | 4.1.2 |
phpmyfaq/phpmyfaqPackagist | < 4.1.2 | 4.1.2 |
Affected products
2- Range: <4.1.2
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-289f-fq7w-6q2wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-46364ghsaADVISORY
- github.com/thorsten/phpMyFAQ/commit/b9f25109fddb38eee19987183798638d07943f92nvdWEB
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-289f-fq7w-6q2wnvdWEB
- www.vulncheck.com/advisories/phpmyfaq-sql-injection-via-user-agent-header-in-builtincaptchanvdWEB
News mentions
0No linked articles in our index yet.