cvedb.io
CVE-2026-4336
MEDIUM · CVSS 6.4
EPSS exploitation probability: 0%
Published 2026-04-09T05:16:04.910 · Last modified 2026-06-17T10:56:26.447

Summary

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 rendering in the set_display_variables() function (View.FAQ.class.php, line 746), which converts HTML entity-encoded payloads back into executable HTML, combined with insufficient output escaping in the faq-answer.php template where the decoded content is echoed without wp_kses_post() or any other sanitization. The ufaq custom post type is registered with 'show_in_rest' => true and defaults to 'post' capability_type, allowing Author-level users to create and publish FAQs via the REST API. An Author can submit entity-encoded malicious HTML (e.g., <img src=x on

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.