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.

INFO

Published Date :

2025-12-13T08:21:15.324Z

Last Modified :

2026-04-08T17:19:17.730Z

Source :

Wordfence
AFFECTED PRODUCTS

The following products are affected by CVE-2025-9856 vulnerability.

Vendors Products
Popup Builder
  • Popup Builder
Wordpress
  • Wordpress
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-9856.

URL Resource
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.0/com/classes/popups/SGPopup.php#L1368 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.0/com/helpers/AdminHelper.php#L438 cve-icon cve-icon
https://plugins.trac.wordpress.org/changeset/3384281 cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/beb6b26a-3fe1-44e0-9fda-97b288abf735?source=cve cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact