CVE-2025-4205: Popup Maker <= 1.20.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via popupID Parameter
The Popup Maker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘popupID' parameter in all versions up to, and including, 1.20.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-4205?
CVE-2025-4205 is classified as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2025-4205?
To fix CVE-2025-4205, update the Popup Maker plugin to version 1.20.5 or later to ensure proper handling of the 'popupID' parameter.
Who is affected by CVE-2025-4205?
All users of the Popup Maker plugin for WordPress versions up to and including 1.20.4 are vulnerable to CVE-2025-4205.
What type of vulnerability is CVE-2025-4205?
CVE-2025-4205 is a stored cross-site scripting (XSS) vulnerability affecting the Popup Maker plugin.
Can CVE-2025-4205 be exploited remotely?
Yes, CVE-2025-4205 can be exploited remotely by authenticated attackers who can control input via the 'popupID' parameter.