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Vulnerability record · CVE-2026-11963 · published 13 July 2026

CVE-2026-11963: The User Registration & Membership WordPress plugin before 5.2.2 does not perform an authorization check on a…

The User Registration & Membership WordPress plugin before 5.2.2 does not perform an authorization check on a membership-upgrade action and derives the user to modify from a caller-supplied identifier instead of the current user, allowing any authenticated user such as a subscriber to change another user's WordPress role and membership tier.

8.1 CVSS 3.1 High EPSS 0.35% · top 73.9% Deferred
8.1CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
13 Jul 2026Last modified by NVD

Description

The User Registration & Membership WordPress plugin before 5.2.2 does not perform an authorization check on a membership-upgrade action and derives the user to modify from a caller-supplied identifier instead of the current user, allowing any authenticated user such as a subscriber to change another user's WordPress role and membership tier.

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

References

LinkTags
https://wpscan.com/vulnerability/a34a916a-983e-48a5-8f10-99214ee3b613/

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Source: NIST National Vulnerability Database (record CVE-2026-11963), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.