CVE-2026-85593
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.4
- CVSS 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
- EPSS probability
- 0.14%
- CWE
- CWE-79
- Published
- 2026-09-04
- Last modified
- 2026-09-14
Affected products
- thorsten phpMyFAQ
- thorsten phpMyFAQ
Weakness type
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