CVE-2026-28557
7.1
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gVectors Team | wpForo Forum | 2.4 < 2.4.16 | affected |
| gVectors Team | wpForo Forum | 2.4.16 | unaffected |
Weaknesses
- CWE-862: Missing Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://wordpress.org/plugins/wpforo/
- https://wordpress.org/plugins/wpforo/#developers
- https://www.vulncheck.com/advisories/wpforo-forum-privilege-escalation-via-role-synchronization-handler
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