CVE-2025-15611

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.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.14% chance of exploitation in the next 30 days, 3th percentile

Published

2026-04-07

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/089ea763-2421-4089-a220-251421f7f226/

References

• CVE Record
• NVD entry

Related

• CVE-2025-15609
• CVE-2025-1562
• CVE-2025-15602
• CVE-2025-15632
• CVE-2025-15598
• CVE-2025-15662