MEDIUM 6.4 NVD
CVE-2026-109989
The Themify Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'popup_width_unit' parameter in all versions up to, and including, 1
The Themify Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'popup_width_unit' parameter in all versions up to, and including, 1.4.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
References
- https://plugins.trac.wordpress.org/browser/themify-popup/tags/1.4.7/includes/themify-metab
- https://plugins.trac.wordpress.org/browser/themify-popup/tags/1.4.7/includes/themify-metab
- https://plugins.trac.wordpress.org/browser/themify-popup/tags/1.4.7/views/styles.php#L29
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3749602%40themify-popup&new=374
- https://www.wordfence.com/threat-intel/vulnerabilities/id/da003985-7fb2-4f5b-bb70-6ec3578e
This medium severity vulnerability with a CVSS score of 6.4 was published on 2026-10-17 via NVD.
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