Vulnerability · Published Aug 28, 2026 · Assigned by WPScan

CVE-2026-79996User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Settings

High 7.2

In plain English

A high-severity privilege mismanagement in User Registration & Membership from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)0.5%top 59.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
Unknown	User Registration & Membership	0 – before 5.2.6

Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://wpscan.com/vulnerability/609bbb7c-c19a-4c72-8cef-95598a2cfc0d/ exploit, vdb-entry, technical-description