CVE-2026-11766
High
Description
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.
SeverityHigh
CVSS8.0
Exploit probability—
ProductUltimate Member
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Ultimate Member2.12.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Ultimate Member | v < 2.12.0 | 2.12.0 |
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