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.
History

Sat, 28 Feb 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title wpForo Forum 2.4.14 Privilege Escalation via Role Synchronization Handler
First Time appeared Gvectors
Gvectors wpforo Forum
Weaknesses CWE-862
CPEs cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:*:*:*
cpe:2.3:a:gvectors:wpforo_forum:2.4.16:*:*:*:*:*:*:*
Vendors & Products Gvectors
Gvectors wpforo Forum
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-28T21:47:37.400Z

Reserved: 2026-02-28T18:54:23.280Z

Link: CVE-2026-28557

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-28T22:16:02.427

Modified: 2026-02-28T22:16:02.427

Link: CVE-2026-28557

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.