The vulnerability exists due to improper access restrictions. A remote user with admin_group_member custom permission can add members with higher role.
Source: Mitre, NVD
Published: 2023-12-07
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N
Severity: High
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N