Stored Cross-Site Scripting in Popup Box Plugin for WordPress
CVE-2025-12122

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Popup Box – Easily Create WordPress Popups
Vendor
CVE Published:
18 February 2026

What is CVE-2025-12122?

The Popup Box plugin for WordPress is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability that arises from inadequate input sanitization and output escaping in the 'iframeBox' shortcode. Authenticated attackers, having contributor-level access or higher, can exploit this vulnerability to inject arbitrary scripts into pages, leading to unauthorized actions or data exposure whenever a user visits the affected page. This poses a significant risk to site integrity and user security, necessitating immediate attention and remediation.

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Affected Version(s)

Popup Box – Easily Create WordPress Popups * <= 3.2.12

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jonas Benjamin Friedli
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