CVE-2026-28555

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

ProductGvectors Wpforo Forum

PublishedFeb 28, 2026

First seenFeb 28, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

gvectors wpforo_forum2.4.16 or later

Patches

wordpress.org/plugins/wpforo/#developers

Affected products

Product	Affected versions	Fixed in
gvectors wpforo_forum	2.4.0 ≤ v < 2.4.16	2.4.16

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