Medium severity6.4NVD Advisory· Published Jul 3, 2026· Updated Jul 6, 2026
CVE-2026-8489
CVE-2026-8489
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 products
1- Range: <=2.11.4
Patches
Vulnerability mechanics
References
11- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-fields.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-form.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-profile.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/um-actions-form.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/um-filters-fields.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-fields.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-form.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-profile.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/um-actions-form.phpnvd
- plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/um-filters-fields.phpnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/229a4e61-571c-44c6-9972-4dfc743afffenvd
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