Description

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to close or reopen any forum topic via the wpforo_close_ajax handler. Attackers submit a valid nonce with an arbitrary topic ID to bypass the moderator permission requirement and disrupt forum discussions.

INFO

Published Date :

2026-02-28T21:47:35.544Z

Last Modified :

2026-02-28T21:47:35.544Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28555 vulnerability.

Vendors Products
Gvectors
  • Wpforo Forum
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28555.

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-missing-authorization-via-topic-close-ajax-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