WordPress security changelog
CRITICAL CVE-2026-40798 Deferred

wpForo Forum: SQL injection

wpForo Forum is affected by SQL injection. The vulnerable path is reachable without authentication. A successful request can alter database queries and expose or modify WordPress data. The published affected range is n/a through 3.0.4.

CVE / CNA score 9.3 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
wpForo Forum
Plugin slug
wpforo
Affected
n/a through 3.0.4
Safe version
3.0.5
Published
Jun 15, 2026
Weakness
CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

This CVE was published Jun 15, 2026 and is one of 47 known issues for this plugin.

Update, patch or deactivate.

Update wpForo Forum to 3.0.5 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Unauthenticated SQL Injection in wpForo Forum <= 3.0.4 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Primary and upstream sources