CVE-2026-8489
Ultimate Member <= 2.11.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Non-HTML Custom Textarea Profile Field
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'about_me' parameter in all versions up to, and including, 2.11.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | ultimatemember |
| Product | ultimate member – user profile, registration, login, member directory, content restriction & membership plugin |
| Published | Jul 3, 2026 |
Get instant alerts for ultimatemember ultimate member – user profile, registration, login, member directory, content restriction & membership plugin
Be the first to know when new medium vulnerabilities affecting ultimatemember ultimate member – user profile, registration, login, member directory, content restriction & membership plugin are published — delivered to Slack, Telegram or Discord.
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N