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6.1

RTMKit Plugin for WordPress: Unauthenticated Script Injection via Theme Builder

CVE-2025-12473
Summary

An attacker can trick an administrator into clicking on a malicious link, which could allow them to inject and execute arbitrary scripts on your WordPress site. This is a concern because it could compromise the security of your site and its users. To protect your site, update the RTMKit plugin to the latest version.

Original title
The RTMKit plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'themebuilder' parameter in all versions up to, and including, 1.6.8 due to insufficient input sanitization a...
Original description
The RTMKit plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'themebuilder' parameter in all versions up to, and including, 1.6.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a site administrator into performing an action such as clicking on a link.
nvd CVSS3.1 6.1
Vulnerability type
CWE-79 Cross-site Scripting (XSS)
Published: 11 Mar 2026 · Updated: 13 Mar 2026 · First seen: 11 Mar 2026