Vulnerability · Published Jul 6, 2026 · Assigned by WPScan
CVE-2026-11766Ultimate Member < 2.12.0 - Subscriber+ Stored XSS via Custom Textarea Profile Fields
High 8.0
In plain English
A high-severity security flaw in Ultimate Member from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.4%top 64.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Ultimate Member | 0 – before 2.12.0 |
References
- https://wpscan.com/vulnerability/96adb2d3-af34-4455-97d4-90af58049e78/ exploit, vdb-entry, technical-description