CVE-2026-25472
Stored XSS in ThemeFusion Fusion Builder
Publication date: 2026-02-19
Last updated on: 2026-04-01
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| themefusion | fusion_builder | to 3.14.3 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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Can you explain this vulnerability to me?
This vulnerability is a type of Cross-site Scripting (XSS) known as Stored XSS that exists in the ThemeFusion Fusion Builder plugin. It occurs due to improper neutralization of input during web page generation, which means that malicious input is not properly sanitized before being included in web pages. As a result, an attacker can inject malicious scripts that are stored and later executed in the context of users visiting the affected site.
How can this vulnerability impact me? :
This Stored XSS vulnerability can allow attackers to execute malicious scripts in the browsers of users visiting a website using the affected Fusion Builder plugin. This can lead to theft of user credentials, session hijacking, defacement of the website, or distribution of malware. It compromises the security and trustworthiness of the affected website.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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