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Medium · 4.3 CVE-2026-28555 EUVD-2026-9104GHSA-p3gr-x272-xrcv

wpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler

Published Feb 28, 2026 · Updated May 11, 2026 · Assigned by VulnCheck

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 products

VendorProductAffectedFixed
gVectors Team wpForo Forum 2.4 – < 2.4.16 2.4.16

References