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CVE-2026-28557 (GCVE-0-2026-28557)

Vulnerability from cvelistv5 – Published: 2026-02-28 21:47 – Updated: 2026-05-25 23:41
VLAI
Title
wpForo Forum < 2.4.16 Privilege Escalation via Role Synchronization Handler
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.
Severity
7.1 (High)
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
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 15:16 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
gVectors Team wpForo Forum Affected: 2.4 , < 2.4.16 (custom)
Unaffected: 2.4.16 (semver)
    cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Scott Moore - VulnCheck
Show details on NVD website
To clipboard 

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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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