CVE-2026-28555

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/28/2026

Last Modified3/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

gvectors:wpforo_forum

Weaknesses (CWE)

CWE-862

References

https://wordpress.org/plugins/wpforo/(disclosure@vulncheck.com)

https://wordpress.org/plugins/wpforo/#developers(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-topic-close-ajax-handler(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.