CVE-2026-79996

User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Settings

The User Registration & Membership WordPress plugin before 5.2.6 does not perform a capability check when saving its login settings, allowing authenticated users who have been granted a User Registration & Membership WordPress plugin before 5.2.6 management capability but not full administrator access to change arbitrary site options and escalate their privileges to administrator.

Affected

User Registration & Membership

CVSS v3.1 CNA

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.46% chance of exploitation in the next 30 days, 39th percentile

Published

2026-08-28

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/609bbb7c-c19a-4c72-8cef-95598a2cfc0d/

References

• CVE Record
• NVD entry