Description

wpForo Forum 2.4.14 contains a missing capability check vulnerability that allows authenticated users to trigger bulk wpForo usergroup reassignment via the wpforo_synch_roles AJAX handler. Attackers access the usergroups admin page, accessible to any authenticated user, to obtain a nonce, then remap all wpForo usergroups to arbitrary WordPress roles.

INFO

Published Date :

2026-02-28T21:47:37.400Z

Last Modified :

2026-02-28T21:47:37.400Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28557 vulnerability.

Vendors Products
Gvectors
  • Wpforo Forum
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28557.

URL Resource
https://wordpress.org/plugins/wpforo/ cve-icon cve-icon
https://wordpress.org/plugins/wpforo/#developers cve-icon cve-icon
https://www.vulncheck.com/advisories/wpforo-forum-privilege-escalation-via-role-synchronization-handler cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact