CVE-2025-49940: WordPress Fusion Builder plugin <= 3.13.2 - Cross Site Scripting (XSS) vulnerability

Published Oct 22, 2025
·
Updated

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 Software

2 affected components
ThemeFusion Fusion Builder<=3.13.2
WordPress Fusion Builder<=3.13.2

Event History

Oct 22, 2025
CVE Published
via MITRE·02:32 PM
Data Sourced
via MITRE·02:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-49940?

CVE-2025-49940 is classified as a high-severity Cross-site Scripting (XSS) vulnerability.

2

How do I fix CVE-2025-49940?

To fix CVE-2025-49940, update ThemeFusion Fusion Builder to version 3.13.3 or later.

3

What versions of Fusion Builder are affected by CVE-2025-49940?

CVE-2025-49940 affects Fusion Builder versions from n/a through 3.13.2.

4

What type of vulnerability is CVE-2025-49940?

CVE-2025-49940 is an Improper Neutralization of Input During Web Page Generation vulnerability leading to DOM-Based XSS.

5

Can CVE-2025-49940 affect my WordPress site?

Yes, CVE-2025-49940 can affect WordPress sites using the vulnerable versions of Fusion Builder.

Contact

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