Popup Box – Best WordPress Popup Plugin, CVE-2025-15611
- CVE, Research URL
- Application
- Published on
- Apr 07, 2026
- Research Description
- The Popup Box WordPress plugin before 5.5.0 does not properly validate nonces in the add_or_edit_popupbox() function before saving popup data, allowing unauthenticated attackers to perform Cross-Site Request Forgery attacks. When an authenticated admin visits a malicious page, the attacker can create or modify popups with arbitrary JavaScript that executes in the admin panel and frontend.
- Affected versions
-
max 5.5.0.
- Status
-
vulnerable