CVE-2026-13598: CWE-269 Improper Privilege Management in RestrictMate
Description
CVE-2026-13598 is a critical vulnerability in the RestrictMate WordPress plugin versions before 1.3.0. It allows unauthenticated attackers to specify arbitrary user roles during account registration, enabling them to create new administrator accounts and gain full administrative access to the site. This leads to a complete site takeover.
CVSS v3.1
Score 9.8critical
Affected software
RestrictMate
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The RestrictMate WordPress plugin prior to version 1.3.0 suffers from improper privilege management (CWE-269) where the user role parameter during account registration is not properly restricted. This flaw allows unauthenticated attackers to create accounts with administrator privileges, resulting in full site compromise. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, no required privileges or user interaction, and full confidentiality, integrity, and availability impact.
Potential Impact
An attacker can create an administrator account without authentication, gaining full control over the affected WordPress site. This enables complete site takeover, including the ability to modify content, install malicious plugins, and access sensitive data.
Mitigation Recommendations
No official patch or remediation guidance is currently confirmed. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the registration endpoint or disable user registration if possible to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-06-29T07:41:34.484Z
- State
- PUBLISHED
Threat ID: 6a8a91afacd9273b49900c77
Added to database: 08/23/2026, 06:22:39 UTC
Last enriched: 09/10/2026, 13:07:48 UTC
Last updated: 10/07/2026, 18:48:17 UTC
Views: 155
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