6.4
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Description
The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'sg_popup' shortcode in all versions up to, and including, 4.4.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
Basic Information
ID
CVE-2025-9856
Source
Wordfence
Published
Dec 13, 2025 at 08:21
Affected Product
Vendor
popupbuilder
Product
Popup Builder – Create highly converting, mobile friendly marketing popups.
Version
*
Affected Versions
popupbuilder Popup Builder – Create highly converting, mobile friendly marketing popups. *
CWE Classification
References
- www.wordfence.com /threat-intel/vulnerabilities/id/beb6b26a-3fe1-44e0-9fda-97b288abf735
- plugins.trac.wordpress.org /browser/popup-builder/tags/4.4.0/com/helpers/AdminHelper.php
- plugins.trac.wordpress.org /browser/popup-builder/tags/4.4.0/com/classes/popups/SGPopup.php
- plugins.trac.wordpress.org /changeset/3384281