CVE-2026-85593
phpMyFAQ before 4.1.8 Stored XSS via html_entity_decode
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | thorsten |
| Product | phpmyfaq |
| Published | Sep 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
thorsten / phpMyFAQ
0 < 4.1.8
References
Credits
🔍 pavelkohout396