XSS in Rustaurius Ultimate Faq Accordion Plugin
CVE-2026-4336
The Ultimate FAQ Accordion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via FAQ content in all versions up to, and including, 2.4.7. This is due to the plugin calling html_entity_decode() on post_content during renderi…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Rustaurius Ultimate Faq Accordion Plugin — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/5ac3ac02-d496-46cb-9aff-ffeeb…
- plugins.trac.wordpress.org/browser/ultimate-faqs/trunk/ewd-ufaq-templates/faq-a…
- plugins.trac.wordpress.org/browser/ultimate-faqs/tags/2.4.7/ewd-ufaq-templates/…
- plugins.trac.wordpress.org/browser/ultimate-faqs/trunk/views/View.FAQ.class.php
- plugins.trac.wordpress.org/browser/ultimate-faqs/tags/2.4.7/views/View.FAQ.clas…
- plugins.trac.wordpress.org/browser/ultimate-faqs/trunk/includes/CustomPostTypes…
- plugins.trac.wordpress.org/browser/ultimate-faqs/tags/2.4.7/includes/CustomPost…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-4336?
- CVE-2026-4336 is a medium-severity vulnerability in Rustaurius Ultimate Faq Accordion Plugin, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-09.
- How severe is CVE-2026-4336?
- Medium severity. CVSS v3 base score is 6.4 out of 10.