CVE-2025-49940

MEDIUM

ThemeFusion Fusion Builder <=3.13.2 - XSS

Title source: llm

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.

References (1)

Core 1

Core References

Third Party Advisory vdb-entry

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

Scores

CVSS v3 6.5

EPSS 0.0020

EPSS Percentile 9.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

ThemeFusion/Fusion Builder < 3.13.2

ThemeFusion/Fusion Builder < <= 3.13.2

Published Oct 22, 2025

Tracked Since Feb 18, 2026