CVE-2026-28557

MEDIUM
2026-02-28 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 28, 2026 - 22:16 nvd
MEDIUM 6.5

Tags

WordPress Wpforo Forum

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.

Analysis

Unauthorized usergroup reassignment in wpForo Forum 2.4.14 allows any authenticated user to remap all forum usergroups to arbitrary WordPress roles through a missing capability check in the wpforo_synch_roles AJAX handler. An attacker can obtain a valid nonce from the publicly accessible usergroups admin page and execute bulk privilege escalation affecting all forum users. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-28557 vulnerability details – vuln.today
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