---
id: CVE-2025-11748
title: >-
  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
summary: >-
  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. Thi…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-639
published: '2025-11-08'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11748'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/groups/trunk/lib/views/class-groups-shortcodes.php
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3387846%40groups&new=3387846%40groups&sfp_email=&sfph_mail=
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/d0f6d28a-d5ca-4700-bc61-f2dd20f06fcf?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00219
epssPercentile: 0.11282
ingestedAt: '2026-10-07T21:54:14.985Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.