CVE-2026-28554

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to approve or unapprove any forum post via the wpforo_approve_ajax AJAX handler. Attackers exploit the nonce-only check by submitting a valid nonce with an arbitrary post ID to bypass moderation controls entirely.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://wordpress.org/plugins/wpforo/	Product
https://wordpress.org/plugins/wpforo/#developers	Release Notes
https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-post-approval-ajax-handler	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:wordpress:*:*

History

05 Mar 2026, 15:42

Type	Values Removed	Values Added
References	~~() https://wordpress.org/plugins/wpforo/ -~~	() https://wordpress.org/plugins/wpforo/ - Product
References	~~() https://wordpress.org/plugins/wpforo/#developers -~~	() https://wordpress.org/plugins/wpforo/#developers - Release Notes
References	~~() https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-post-approval-ajax-handler -~~	() https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-post-approval-ajax-handler - Third Party Advisory
CPE		cpe:2.3:a:gvectors:wpforo_forum::::::wordpress::*
First Time		Gvectors Gvectors wpforo Forum

02 Mar 2026, 20:30

Type	Values Removed	Values Added
Summary		(es) wpForo Forum 2.4.14 contiene una vulnerabilidad de autorización faltante que permite a los suscriptores autenticados aprobar o desaprobar cualquier publicación del foro a través del gestor AJAX wpforo_approve_ajax. Los atacantes explotan la verificación solo de nonce al enviar un nonce válido con un ID de publicación arbitrario para eludir por completo los controles de moderación.

28 Feb 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-28 22:16

Updated : 2026-03-05 15:42

NVD link : CVE-2026-28554

Mitre link : CVE-2026-28554

CVE.ORG link : CVE-2026-28554

JSON object : View

Products Affected

gvectors

wpforo_forum

CWE

CWE-862

Missing Authorization

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