CVE-2026-28556

wpForo Forum 2.4.14 Missing Authorization via Topic Management Form Handlers

Published Feb 28, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to move, merge, or split any forum topic via the topic_move, topic_merge, and topic_split form action handlers. Attackers with a valid form nonce can reorganize arbitrary forum content without moderator permissions, including relocating topics to private forums.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:wordpress:*:*
Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to move, merge, or split any forum topic via the topic_move, topic_merge, and topic_split form action handlers. Attackers with a valid form nonce can reorganize arbitrary forum content without moderator permissions, including relocating topics to private forums.
Title wpForo Forum 2.4.14 Missing Authorization via Topic Management Form Handlers
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': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 11, 2026, 11:11 PM
Reserved
Feb 28, 2026, 6:54 PM
Status
Analyzed
Published
Feb 28, 2026, 10:16 PM
Modified
Jun 17, 2026, 10:28 AM