VULNERABILITY INTELLIGENCE

CVE-2026-28556

CVSS score5.4 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2026-02-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-862

Primary references