CVE-2025-11748EPSS p13.2%
CVE-2025-11748CVE-2025-11748
Description
The Groups plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.7.0 via the 'group_id' parameter of the group_join function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to register for groups other than ones set in the shortcode.
Scoring
| CVSS | 4.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| EPSS | 0.23% probability of exploitation · percentile 13.2% · 2026-10-10T12:00:23Z |
| Last modified | 2026-10-07 |