๐Ÿ” CVE Alert

CVE-2026-46360

MEDIUM 5.4

phpMyFAQ - Stored XSS via Entity Decoding Depth Limit Bypass in SVG Sanitizer

CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor thorsten
Product phpmyfaq
Published May 15, 2026
Last Updated May 15, 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 < 4.1.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-whqh-9pq5-c7r3 vulncheck.com: https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-entity-decoding-depth-limit-bypass-in-svg-sanitizer

Credits

๐Ÿ” offset