CVE-2026-85593

Medium

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.

SeverityMedium

CVSS5.4

Exploit probability—

ProductphpMyFAQ

PublishedSep 4, 2026

First seenSep 4, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

thorsten phpMyFAQ4.1.8 or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-x6qj-5jhf-xgpm

Affected products

Product	Affected versions	Fixed in
thorsten phpMyFAQ	v < 4.1.8	4.1.8

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