{"id":"CVE-2026-85593","state":"PUBLISHED","title":"phpMyFAQ before 4.1.8 Stored XSS via html_entity_decode","description":"phpMyFAQ versions before 4.1.8 contain a stored cross-site scripting vulnerability in FaqHelper::convertOldInternalLinks() that calls html_entity_decode() on sanitized FAQ content, reversing entity-encoding protection. Authenticated users with FAQ editing privileges can inject JavaScript payloads that execute in the browsers of all users viewing the affected FAQ pages.","publishedAt":"2026-09-04T11:29:58.092Z","updatedAt":"2026-09-14T13:50:50.227Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["thorsten phpMyFAQ"],"affected":[{"vendor":"thorsten","product":"phpMyFAQ","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.1.8","versionType":"semver"},{"version":"4.1.8","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-x6qj-5jhf-xgpm","https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.8-stored-xss-via-html-entity-decode"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/85xxx/CVE-2026-85593.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85593","state":"PUBLISHED","datePublished":"2026-09-04T11:29:58.092Z","dateUpdated":"2026-09-14T13:50:50.227Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-04T10:59:00.162Z"},"containers":{"cna":{"title":"phpMyFAQ before 4.1.8 Stored XSS via html_entity_decode","descriptions":[{"lang":"en","value":"phpMyFAQ versions before 4.1.8 contain a stored cross-site scripting vulnerability in FaqHelper::convertOldInternalLinks() that calls html_entity_decode() on sanitized FAQ content, reversing entity-encoding protection. Authenticated users with FAQ editing privileges can inject JavaScript payloads that execute in the browsers of all users viewing the affected FAQ pages."}],"affected":[{"vendor":"thorsten","product":"phpMyFAQ","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.1.8","versionType":"semver"},{"version":"4.1.8","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-x6qj-5jhf-xgpm","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-x6qj-5jhf-xgpm)"},{"url":"https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.8-stored-xss-via-html-entity-decode","name":"VulnCheck Advisory: phpMyFAQ before 4.1.8 Stored XSS via html_entity_decode","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-04T11:29:58.092Z"},"datePublic":"2026-08-20T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*","versionEndExcluding":"4.1.8"}]}]}],"credits":[{"lang":"en","value":"pavelkohout396","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-85593","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-14T13:24:53.885925Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T13:50:50.227Z"}}]}}}