CVE-2025-13537
Unknown Unknown - Not Provided
Stored XSS in Live Composer WordPress Plugin Allows Script Injection

Publication date: 2025-12-17

Last updated on: 2025-12-17

Assigner: Wordfence

Description
The Live Composer – Free WordPress Website Builder plugin for WordPress is vulnerable to multiple Stored Cross-Site Scripting vulnerabilities via DOM manipulation in all versions up to, and including, 2.0.2 due to insufficient input sanitization and output escaping on user-supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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Meta Information
Published
2025-12-17
Last Modified
2025-12-17
Generated
2026-06-16
AI Q&A
2025-12-17
EPSS Evaluated
2026-06-15
NVD
CVE-2025-13537
EUVD
EUVD-2025-203924
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
live_composer live_composer_page_builder *
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Live Composer – Free WordPress Website Builder plugin. It occurs due to insufficient input sanitization and output escaping on user-supplied attributes, allowing authenticated users with Contributor-level access or higher to inject arbitrary web scripts. These scripts then execute whenever any user accesses the injected page.

Impact Analysis

The vulnerability can allow attackers with Contributor-level access or above to inject malicious scripts into pages. These scripts execute in the context of users visiting the affected pages, potentially leading to theft of user credentials, session hijacking, defacement, or other malicious actions that compromise user data and site integrity.

Mitigation Strategies

To mitigate this vulnerability, you should update the Live Composer – Free WordPress Website Builder plugin to version 2.0.3 or later, as this version was released shortly after the vulnerability disclosure and likely contains security fixes addressing the issue. [3]

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