wpForo Forum, CVE-2026-28555

CVE, Research URL: CVE-2026-28555
Home page URL: Security reports for wpForo Forum
Application: wpForo Forum
Published on: Mar 01, 2026
Research 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.
Affected versions: max 2.4.14.
Status: vulnerable