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CVE-2026-8351

MEDIUM 6.4 CVSS 3.1
Published
July 3, 2026
Last modified
July 6, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • rometheme RTMKit — Up to and including 2.0.7

References

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