CVE-2025-11748

Groups <= 3.7.0 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Group Join

CVSS 4.3 MEDIUMEPSS 0.2%CWE-639

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Nov 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

itthinx · Groups

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References

https://plugins.trac.wordpress.org/browser/groups/trunk/lib/views/class-groups-shortcodes.php https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3387846%40groups&new=3387846%40groups&sfp_email=&sfph_mail=https://www.wordfence.com/threat-intel/vulnerabilities/id/d0f6d28a-d5ca-4700-bc61-f2dd20f06fcf?source=cve