Stored Cross-Site Scripting Vulnerability in Ultimate Member Plugin for WordPress
CVE-2025-15064

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
Vendor
CVE Published:
4 April 2026

What is CVE-2025-15064?

The Ultimate Member plugin for WordPress is susceptible to a stored cross-site scripting issue due to inadequate input sanitization and output escaping within the user description field. This vulnerability affects all versions up to and including 2.11.1. When HTML support for user descriptions is enabled, authenticated attackers with subscriber-level access can inject malicious web scripts, which can be executed by users accessing the compromised pages, leading to potential security breaches and data compromise.

Affected Version(s)

Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin 0 <= 2.11.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://github.com/ultimatemember/ultimatemember/pull/1774

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kevin Wydler
.