Stored Cross-Site Scripting Vulnerability in Ultimate Member Plugin for WordPress
CVE-2025-13220
Key Information:
- Vendor
WordPress
- Vendor
- CVE Published:
- 21 December 2025
What is CVE-2025-13220?
The Ultimate Member plugin for WordPress is susceptible to stored cross-site scripting via its shortcode attributes across all versions up to, and including, version 2.11.0. This vulnerability arises from inadequate input sanitization and output escaping. Authenticated attackers with Contributor-level access or higher can utilize this flaw to inject arbitrary web scripts into pages. These scripts could execute in the browsers of users accessing the compromised pages, potentially leading to unauthorized actions or data exposure.

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Affected Version(s)
Ultimate Member β User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin * <= 2.11.0
References
CVSS V3.1
Timeline
Vulnerability published
Vulnerability Reserved