Medium · 6.5 CVE-2025-49940 EUVD-2025-35518GHSA-fq5h-3m7r-254w

WordPress Fusion Builder plugin <= 3.13.2 - Cross Site Scripting (XSS) vulnerability

Published Oct 22, 2025 · Updated Apr 28, 2026 · Assigned by Patchstack

Vendor: ThemeFusion Product: Fusion Builder

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeFusion Fusion Builder fusion-builder allows DOM-Based XSS.This issue affects Fusion Builder: from n/a through <= 3.13.2.

Affected products

Vendor	Product	Affected	Fixed
ThemeFusion	Fusion Builder	≤ 3.13.2	—

References

https://patchstack.com/database/Wordpress/Plugin/fusion-builder/vulnerability/wordpress-fusion-builder-plugin-3-13-2-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry