CVE-2026-28557

MEDIUM

6.5

Description

wpForo Forum 2.4.14 contains a missing capability check vulnerability that allows authenticated users to trigger bulk wpForo usergroup reassignment via the wpforo_synch_roles AJAX handler. Attackers access the usergroups admin page, accessible to any authenticated user, to obtain a nonce, then remap all wpForo usergroups to arbitrary WordPress roles.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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-privilege-escalation-via-role-synchronization-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.