CVE-2026-11766

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

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.

Affected

Ultimate Member

CVSS v3.1 CNA

8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS

0.41% chance of exploitation in the next 30 days, 34th percentile

Published

2026-07-06

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/96adb2d3-af34-4455-97d4-90af58049e78/

References

• CVE Record
• NVD entry