CVE-2026-28556 MEDIUM

CVE-2026-28556: wpForo Forum 2.4.14 Missing Authorization via Topic Management Form Handlers

Vendor Gvectors Team
Product wpForo Forum
Weakness CWE-862 · Missing authorization
Published February 28, 2026
Last update May 11, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 28, 2026 CVE published
May 11, 2026 Record updated