{"id":"CVE-2026-111887","title":"phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Account Enumeration via Guest Comment Endpoint","summary":"phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an account enumeration vulnerability that allows unauthenticated attackers to confirm registered display names and emails via a distinct HTTP 409 response. Attackers can su…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-204"],"vendor":"thorsten","product":"phpMyFAQ","affected":["phpMyFAQ < 4.1.9","phpMyFAQ >= 4.2.0-alpha < 4.2.0-beta"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-18T13:25:45.982560Z"},"exploitAvailable":true,"published":"2026-10-17","updated":"2026-10-18","sourceUpdated":"2026-10-18T13:26:01.243Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111887","references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-pgxw-7c68-83w7","label":"GitHub Security Advisory (GHSA-pgxw-7c68-83w7)"},{"url":"https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.9-and-4.2.0-alpha-before-4.2.0-beta-account-enumeration-via-guest-comment-endpoint","label":"VulnCheck Advisory: phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Account Enumeration via Guest Comment Endpoint"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-17T19:08:56.985Z","slug":"CVE-2026-111887","body":"## Overview\n\nphpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an account enumeration vulnerability that allows unauthenticated attackers to confirm registered display names and emails via a distinct HTTP 409 response. Attackers can submit guest comments to the comment create endpoint with candidate user and mail values to link names to emails for targeted phishing.\n\n## Affected\n\n- `phpMyFAQ < 4.1.9`\n- `phpMyFAQ >= 4.2.0-alpha < 4.2.0-beta`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":224431,"id":"CVE-2026-111887","ts":1792331052917,"field":"exploit_available","old":"false","new":"true"}]}