CVE-2025-49940

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

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

ThemeFusion · Fusion Builder

CVSS v3.1 PATCHSTACK

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

EPSS

0.22% chance of exploitation in the next 30 days, 11th percentile

Nuclei

low

Published

2025-10-22

Updated

2026-04-28

Nuclei templates (1)

• topscoder/nuclei-wordfence-cve/blob/main/nuclei-templates/2025/CVE-2025-49940-fusion_buil…

References

• CVE Record
• NVD entry