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 'user_url' parameter in all versions up to, and including, 2.14.0 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. Successful exploitation requires a visitor to click the attacker's Website URL link on their public Ultimate Member profile, a condition that is trivially met since the redirect-confirmation onclick handler is enabled by default on all new installations.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 4
- StatusPublished → DeferredNVD modified 2026-10-28 13:46
- StatusReceived → PublishedNVD modified 2026-10-28 02:29
- StatusPublished → ReceivedNVD modified 2026-10-28 03:17
- First seenCVSS 6.4 · ultimatememberNVD modified 2026-10-28 02:29
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 5
- https://github.com/ultimatemember/ultimatemember/releases/tag/2.14.1
- https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.14.0/includes/core/class-form.php#L896
- https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.14.0/includes/core/um-filters-fields.php#L519
- https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.14.0/includes/core/um-filters-fields.php#L522
- https://www.wordfence.com/threat-intel/vulnerabilities/id/8180160d-ba33-4f79-baa5-2613be470b0f?source=cve