{"id":"CVE-2026-111887","revision":"e6a7ac844b954ab7a3527f491126cf0d","records":[{"revision":"e6a7ac844b954ab7a3527f491126cf0d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111887","aliases":[],"title":"phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Account Enumeration via Guest Comment Endpoint","description":"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 submit guest comments to the comment create endpoint with candidate user and mail values to link names to emails for targeted phishing.","state":0,"publishedAt":"2026-10-17T18:46:12.494+00:00","modifiedAt":"2026-10-18T13:26:01.243+00:00","affected":[{"ecosystem":"Vendor product","name":"phpMyFAQ","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"thorsten\",\n                    \"product\": \"phpMyFAQ\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.1.9\"\n                        },\n                        {\n                            \"version\": \"4.1.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"phpMyFAQ","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"thorsten\",\n                    \"product\": \"phpMyFAQ\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.2.0-alpha\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.2.0-beta\"\n                        },\n                        {\n                            \"version\": \"4.2.0-beta\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-pgxw-7c68-83w7","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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111887","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111887","identifiers":["CVE-2026-111887"]},"retained":false,"historicalAffected":[]}],"coverage":[]}