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 3.1

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

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

CWE

CWE-918

Published

2026-04-07

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• ays-pro:popup_box

References

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

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