CVE-2025-6692: YouTube Embed <= 10.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via instance Parameter
The YouTube Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘instance’ parameter in all versions up to, and including, 10.3 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-2025-6692?
CVE-2025-6692 is classified as a medium severity vulnerability due to its potential for exploitation through stored cross-site scripting.
How do I fix CVE-2025-6692?
To mitigate CVE-2025-6692, update the YouTube Embed plugin to version 10.4 or higher, where the vulnerability has been patched.
Who is affected by CVE-2025-6692?
CVE-2025-6692 affects all versions of the YouTube Embed plugin for WordPress up to and including version 10.3.
What type of vulnerability is CVE-2025-6692?
CVE-2025-6692 is a stored cross-site scripting (XSS) vulnerability caused by insufficient input sanitization and output escaping.
Can an unauthenticated user exploit CVE-2025-6692?
No, only authenticated users with Contributor or higher roles can exploit CVE-2025-6692.