CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
3Tags
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeFusion Fusion Builder fusion-builder allows Reflected XSS.This issue affects Fusion Builder: from n/a through < 3.15.0.
Analysis
A Reflected Cross-Site Scripting (XSS) vulnerability exists in ThemeFusion Fusion Builder, a WordPress page builder plugin, affecting all versions prior to 3.15.0. An unauthenticated attacker can inject malicious JavaScript into web pages through improper input sanitization, allowing them to steal session cookies, perform actions on behalf of users, or redirect visitors to malicious sites. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Verify anti-CSRF tokens and content security policies are enforced.
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External POC / Exploit Code
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EUVD-2026-15919