CVE-2026-8354
Severity CVSS v4.0:
Pending analysis
Type:
CWE-79
Cross-Site Scripting (XSS)
Publication date:
19/09/2026
Last modified:
21/09/2026
Description
The Gum Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pop_tag' parameter in all versions up to, and including, 1.3.15 due to insufficient input sanitization and output escaping. 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.
Impact
Base Score 3.x
6.40
Severity 3.x
MEDIUM
References to Advisories, Solutions, and Tools
- https://plugins.trac.wordpress.org/browser/gum-elementor-addon/tags/1.3.15/widgets/popover_btn.php#L726
- https://plugins.trac.wordpress.org/browser/gum-elementor-addon/tags/1.3.15/widgets/popover_btn.php#L767
- https://plugins.trac.wordpress.org/browser/gum-elementor-addon/trunk/widgets/popover_btn.php#L726
- https://plugins.trac.wordpress.org/browser/gum-elementor-addon/trunk/widgets/popover_btn.php#L767
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3556711%40gum-elementor-addon&new=3556711%40gum-elementor-addon
- https://www.wordfence.com/threat-intel/vulnerabilities/id/143c3a66-ac67-48e1-800f-8479fd963da3?source=cve


