CVE-2026-46360

Medium

Description

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities() that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQ_EDIT permission can upload malicious SVG files with deeply nested ampersand encoding around numeric HTML entities to reconstruct javascript: URLs, which execute arbitrary JavaScript when clicked by other users viewing the uploaded SVG.

SeverityMedium

CVSS5.4

Exploit probability8. percentile0.2%

ProductPhpmyfaq/phpmyfaq

PublishedMay 15, 2026

First seenMay 15, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

phpmyfaq/phpmyfaq4.1.2 or later
thorsten/phpmyfaq4.1.2 or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-whqh-9pq5-c7r3

Affected products

Product	Affected versions	Fixed in
phpmyfaq/phpmyfaqPackagist	v < 4.1.2	4.1.2
thorsten/phpmyfaqPackagist	v < 4.1.2	4.1.2

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