CVE-2025-8440: Team Members <= 5.3.5 - Authenticated (Contributor+) Stored Cross-Site Scripting
The Team Members plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the first and last name fields in all versions up to, and including, 5.3.5 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-2025-8440?
CVE-2025-8440 is considered a high severity vulnerability due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2025-8440?
To fix CVE-2025-8440, update the WordPress Team Members plugin to version 5.3.6 or later.
Who is affected by CVE-2025-8440?
Users of the WordPress Team Members plugin versions 5.3.5 and earlier are affected by CVE-2025-8440.
What type of vulnerability is CVE-2025-8440?
CVE-2025-8440 is a Stored Cross-Site Scripting (XSS) vulnerability.
Can unprivileged users exploit CVE-2025-8440?
No, only authenticated attackers with contributor or higher roles can exploit CVE-2025-8440.