{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46364", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-05-13T19:40:27.809Z", "datePublished": "2026-05-15T18:36:42.869Z", "dateUpdated": "2026-05-15T18:36:42.869Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-05-15T18:36:42.869Z"}, "datePublic": "2026-04-28T00:00:00.000Z", "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. 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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "cweId": "CWE-89", "type": "CWE"}]}], "affected": [{"vendor": "thorsten", "product": "phpmyfaq", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "4.1.2"}, {"version": "4.1.2", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.1.2"}]}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-289f-fq7w-6q2w", "name": "GHSA Advisory GHSA-289f-fq7w-6q2w", "tags": ["vendor-advisory"]}, {"url": "https://github.com/thorsten/phpMyFAQ/commit/b9f25109fddb38eee19987183798638d07943f92", "name": "https://github.com/thorsten/phpMyFAQ/commit/b9f25109fddb38eee19987183798638d07943f92", "tags": ["patch"]}, {"name": "VulnCheck Advisory: phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/phpmyfaq-sql-injection-via-user-agent-header-in-builtincaptcha"}], "x_generator": {"engine": "vulncheck"}, "credits": [{"lang": "en", "value": "adrgs", "type": "reporter"}, {"lang": "en", "value": "aisafe-bot", "type": "finder"}]}}}

{}

{"cveTags": [], "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. 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."}], "id": "CVE-2026-46364", "lastModified": "2026-05-15T19:17:03.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}]}, "published": "2026-05-15T19:17:03.750", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/thorsten/phpMyFAQ/commit/b9f25109fddb38eee19987183798638d07943f92"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-289f-fq7w-6q2w"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/phpmyfaq-sql-injection-via-user-agent-header-in-builtincaptcha"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "phpmyfaq", "vendor": "phpmyfaq"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.1.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "4.1.2"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "phpmyfaq", "source": "cna", "vendor": "thorsten"}, "product": "phpmyfaq", "vendor": "thorsten"}], "created": "2026-05-15T20:45:07.969302+00:00", "updated": "2026-05-15T20:45:08.260484+00:00", "vendors": ["phpmyfaq", "phpmyfaq$PRODUCT$phpmyfaq", "thorsten", "thorsten$PRODUCT$phpmyfaq"]}