CVE-2026-109989
CVE-2026-109989 · Themify Popup <= 1.4.7 - Authenticated (Author+) Stored Cross-Site Scripting via 'popup_width_unit' Parameter
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.4 · Medium · EPSS 0.2%
- Published
- Updated
Affected products and versions
themify popup
- Versions
- ≥ 0, ≤ 1.4.7: Affected (semver)
No fix published
Original sources
- https://www.wordfence.com/threat-intel/vulnerabilities/id/da003985-7fb2-4f5b-bb70-6ec3578ef3e8?source=cve
- https://plugins.trac.wordpress.org/browser/themify-popup/tags/1.4.7/views/styles.php#L29
- https://plugins.trac.wordpress.org/browser/themify-popup/tags/1.4.7/includes/themify-metabox/includes/themify-metabox-core.php#L209
- https://plugins.trac.wordpress.org/browser/themify-popup/tags/1.4.7/includes/themify-metabox/includes/themify-metabox-core.php#L151
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3749602%40themify-popup&new=3749602%40themify-popup
- https://nvd.nist.gov/vuln/detail/CVE-2026-109989