PT-2026-20752 · Themefusion · Fusion Builder

João Pedro S Alcântara + 1 · Published 2026-02-19 · Updated 2026-02-19 · CVE-2026-25472

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ThemeFusion Fusion Builder versions through 3.14.3

Description The software contains a flaw due to improper neutralization of input during web page generation, leading to a Cross-site Scripting (XSS) issue. This specific instance allows for Stored XSS attacks. The affected component is fusion-builder.

Recommendations Update ThemeFusion Fusion Builder to a version later than 3.14.3.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-25472

Affected Products

Fusion Builder

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-25472 · Security Note
• https://twitter.com/CVEnew/status/2024411334989729918 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/fusion-builder/vulnerability/wordpress-fusion-builder-plugin-3-14-3-cross-site-scripting-xss-vulnerability?_s_id=cve · Note