PT-2025-51860 · WordPress · Live Composer – Free Wordpress Website Builder

Craig Smith · Published 2025-12-17 · Updated 2025-12-17 · CVE-2025-13537

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Live Composer – Free WordPress Website Builder plugin for WordPress versions prior to 2.0.3

Description The Live Composer – Free WordPress Website Builder plugin for WordPress is susceptible to multiple Stored Cross-Site Scripting issues resulting from inadequate input sanitization and output escaping of user-provided attributes. This allows authenticated attackers with Contributor-level access or higher to inject malicious web scripts into pages. These scripts will execute when a user accesses the compromised page. The issue stems from DOM manipulation.

Recommendations Update Live Composer – Free WordPress Website Builder plugin for WordPress to version 2.0.3 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13537

Affected Products

Live Composer – Free Wordpress Website Builder

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-13537 · Security Note
• https://twitter.com/VulmonFeeds/status/2001403696672903270 · Twitter Post
• https://plugins.trac.wordpress.org/changeset/3419715 · Note
• https://twitter.com/CVEnew/status/2001365739152793927 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/a9f8ab73-8c2a-4551-bad9-4e5cc67231e5?source=cve · Note
• https://plugins.trac.wordpress.org/browser/live-composer-page-builder/trunk/js/src/client/frontend/index.js#L926 · Note
• https://plugins.trac.wordpress.org/browser/live-composer-page-builder/trunk/js/src/client/frontend/index.js#L126 · Note
• https://t.me/CVEtracker/40061 · Telegram Post