How severe is CVE-2025-15064?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Ultimatemember Ultimate Member – User Profile, Registration, Login, Directory, Content Restriction & Membership Plugin

CVE-2025-15064

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 user description field in all versions up to, and…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Ultimatemember Ultimate Member – User Profile, Registration, Login, Directory, Content Restriction & Membership Plugin — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-15064?: CVE-2025-15064 is a medium-severity vulnerability in Ultimatemember Ultimate Member – User Profile, Registration, Login, Directory, Content Restriction & Membership Plugin, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-04.
How severe is CVE-2025-15064?: Medium severity. CVSS v3 base score is 6.4 out of 10.