Description

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to move, merge, or split any forum topic via the topic_move, topic_merge, and topic_split form action handlers. Attackers with a valid form nonce can reorganize arbitrary forum content without moderator permissions, including relocating topics to private forums.

INFO

Published Date :

2026-02-28T21:47:36.466Z

Last Modified :

2026-02-28T21:47:36.466Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28556 vulnerability.

Vendors Products
Gvectors
  • Wpforo Forum
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28556.

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-management-form-handlers cve-icon cve-icon
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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