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.
CVE-2026-46360
MEDIUMNVD 5.45.4—
EchelonGraph scoreHIGH confidence
Score 5.4 from GitHub Security Advisory published 2026-05-15. NVD baseline CVSS 5.4; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
- CVSS v3
- 5.4
- EG Score
- 5.4(high)
- EPSS
- 8.8%
- KEV
- Not listed
Published
May 15, 2026
Last Modified
May 18, 2026
References (3)
- disclosure@vulncheckhttps://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-whqh-9pq5-c7r3
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-entity-decoding-depth-limit-bypass-in-svg-sanitizer
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-whqh-9pq5-c7r3
Frequently asked(5)
What is CVE-2026-46360?
CVE-2026-46360 is a medium vulnerability published on May 15, 2026. 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…
When was CVE-2026-46360 disclosed?
CVE-2026-46360 was first published in the National Vulnerability Database on May 15, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46360 actively exploited?
CVE-2026-46360 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46360?
CVE-2026-46360 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-46360?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46360, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-46360
Is Your Infrastructure Affected by CVE-2026-46360?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.