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CVE Vulnerability Details :
CVE-2026-28555
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-28 Feb, 2026 | 21:47
Updated At-28 Feb, 2026 | 21:47
Rejected At-
▼CVE Numbering Authority (CNA)
wpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to close or reopen any forum topic via the wpforo_close_ajax handler. Attackers submit a valid nonce with an arbitrary topic ID to bypass the moderator permission requirement and disrupt forum discussions.

Affected Products
Vendor
gVectors Team
Product
wpForo Forum
Default Status
unaffected
Versions
Affected
  • From 2.4 before 2.4.16 (semver)
Unaffected
  • 2.4.16 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-862Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: Missing Authorization
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Scott Moore - VulnCheck
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://wordpress.org/plugins/wpforo/
product
https://wordpress.org/plugins/wpforo/#developers
patch
https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-topic-close-ajax-handler
third-party-advisory
Hyperlink: https://wordpress.org/plugins/wpforo/
Resource:
product
Hyperlink: https://wordpress.org/plugins/wpforo/#developers
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-topic-close-ajax-handler
Resource:
third-party-advisory
Details not found