CVE-2026-28554 Details
Description
wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to approve or unapprove any forum post via the wpforo_approve_ajax AJAX handler. Attackers exploit the nonce-only check by submitting a valid nonce with an arbitrary post ID to bypass moderation controls entirely.
A missing authorization vulnerability has been identified in wpForo Forum version 2.4.14. This vulnerability allows authenticated subscribers to approve or unapprove any forum post using the wpforo_approve_ajax AJAX handler. The issue arises because the nonce check is the only validation in place, enabling users to bypass moderation controls by submitting a valid nonce along with an arbitrary post ID.
Users are advised to update to wpForo Forum version 2.4.16, which includes permission checks for post approval actions.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wordpress.org/plugins/wpforo/ | [email protected] | Product |
| https://wordpress.org/plugins/wpforo/#developers | [email protected] | Release Notes |
| https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-post-approval-ajax-handler | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gvectors wpforo forum | >= 2.4.0, < 2.4.16 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 5, 2026 | Initial Analysis | [email protected] |
| Feb 28, 2026 | New CVE Received | [email protected] |