CVE-2026-11766high

CVE-2026-11766: high-severity vulnerability in Ultimate Member

Ultimate Member < 2.12.0 - Subscriber+ Stored XSS via Custom Textarea Profile Fields

Published

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8epss 0.4%
The Ultimate Member WordPress plugin before 2.12.0 does not properly sanitise and escape the value of custom textarea profile fields before outputting it on user profiles, allowing authenticated users with Subscriber-level access and above to store JavaScript that executes when any user, including an administrator, views the affected profile.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · Ultimate Member
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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