{"id":"CVE-2026-46364","state":"PUBLISHED","title":"phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha","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.","publishedAt":"2026-05-15T18:36:42.869Z","updatedAt":"2026-05-28T14:15:26.917Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["thorsten phpmyfaq"],"affected":[{"vendor":"thorsten","product":"phpmyfaq","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.1.2","versionType":"semver"},{"version":"4.1.2","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-289f-fq7w-6q2w","https://github.com/thorsten/phpMyFAQ/commit/b9f25109fddb38eee19987183798638d07943f92","https://www.vulncheck.com/advisories/phpmyfaq-sql-injection-via-user-agent-header-in-builtincaptcha"],"weaknesses":["CWE-89"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46364.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46364","state":"PUBLISHED","datePublished":"2026-05-15T18:36:42.869Z","dateUpdated":"2026-05-28T14:15:26.917Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-05-13T19:40:27.809Z"},"containers":{"cna":{"title":"phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha","descriptions":[{"lang":"en","value":"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. 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