Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin, CVE-2026-8489

CVE, Research URL: CVE-2026-8489
Home page URL: Security reports for Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
Application: Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
Published on: Jul 03, 2026
Research Description: The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'about_me' parameter in all versions up to, and including, 2.11.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions: max 2.12.0.
Status: vulnerable

Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction &amp; Membership Plugin, CVE-2026-8489