How severe is CVE-2026-4248?

High severity. CVSS v3 base score is 8.0 out of 10.

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

CVE-2026-4248

The Ultimate Member plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.11.2. This is due to the '{usermeta:password_reset_link}' template tag being processed within post content via…

EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

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

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

Frequently asked questions

What is CVE-2026-4248?: CVE-2026-4248 is a high-severity vulnerability in Ultimatemember Ultimate Member – User Profile, Registration, Login, Directory, Content Restriction & Membership Plugin, classified under Improper Authorization. CVSS score: 8.0/10. Published 2026-03-27.
How severe is CVE-2026-4248?: High severity. CVSS v3 base score is 8.0 out of 10.