CVE-2025-15611: The Popup Box WordPress plugin before 5.5.0 does not properly validate nonces in the add_or_edit_popupbox() function…

CVE-2025-15611 · Severity: medium · CVSS 5.4 · Published 2026-04-07

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.

Technologies: AYS Pro Popup box. Vendors: AYS Pro.

Quick answers

Is CVE-2025-15611 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-15611 being exploited in the wild.
How severe is CVE-2025-15611?
Medium severity, with a CVSS score of 5.4, published 7 April 2026.
Which products and versions are affected?
AYS Pro Popup box. The advisory does not name versions.
Is there a fix for CVE-2025-15611?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-15611?
Check whether you run AYS Pro Popup box. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • AYS Pro Popup box

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