CVE · Medium

CVE-2025-49940 — Fusion Builder [fusion-builder] < 3.13.3

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2025-49940 Fusion Builder [fusion-builder] < 3.13.3 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Medium 6.5 < 3.13.3 3.13.3 2025-10-03

CVE-2025-49940

The Fusion Builder plugin for WordPress contains a security flaw that allows malicious users with at least contributor privileges to insert unauthorized code into the site's content. This vulnerability arises from inadequate filtering of input data and failure to properly prevent potentially hazardous output. As a result, when a user views a compromised page, the embedded script will be executed.

Based on public CVE data (MITRE/NVD).

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