CVE-2026-8351

Description

The RTMKit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Advanced Heading widget's 'Background Text' parameter in versions up to, and including, 2.0.7 This is due to insufficient output escaping on the 'background_text_heading' setting in the render() function, which concatenates the value directly into an HTML attribute without applying esc_attr(). 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.

CVSS Vector

References

• https://plugins.trac.wordpress.org/browser/rometheme-for-elementor/tags/2.0.4/Inc/Elements/AdvancedHeading.php#L133
• https://plugins.trac.wordpress.org/browser/rometheme-for-elementor/tags/2.0.4/Inc/Elements/AdvancedHeading.php#L960
• https://plugins.trac.wordpress.org/browser/rometheme-for-elementor/tags/2.0.7/Inc/Elements/AdvancedHeading.php#L133
• https://plugins.trac.wordpress.org/browser/rometheme-for-elementor/tags/2.0.7/Inc/Elements/AdvancedHeading.php#L960
• https://plugins.trac.wordpress.org/browser/rometheme-for-elementor/trunk/Inc/Elements/AdvancedHeading.php#L133
• https://plugins.trac.wordpress.org/browser/rometheme-for-elementor/trunk/Inc/Elements/AdvancedHeading.php#L960
• https://plugins.trac.wordpress.org/changeset/3568335/rometheme-for-elementor/trunk/Inc/Elements/AdvancedHeading.php
• https://plugins.trac.wordpress.org/changeset?old_path=%2Frometheme-for-elementor/tags/2.0.7&new_path=%2Frometheme-for-elementor/tags/2.0.8
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3e0da463-2ba0-43ca-927c-55c12643ef32?source=cve