CVE-2026-11963

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 v3.1

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

EPSS

0.35% chance of exploitation in the next 30 days, 28th percentile

Published

2026-07-13

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2026-11962
• CVE-2026-11964
• CVE-2026-11961
• CVE-2026-11965
• CVE-2026-1196
• CVE-2026-11966