What the vulnerability does
01Description
Missing Authorization vulnerability in SiteLock SiteLock Security – WP Hardening, Login Security & Malware Scans sitelock allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SiteLock Security – WP Hardening, Login Security & Malware Scans: from n/a through <= 5.0.2.
Explanation of Vulnerability in Simple Terms
02Summary
SiteLock Security for WordPress versions up to 5.0.2 lack proper authorization checks, allowing authenticated users with low privileges to modify site settings they should not access. The vulnerability requires a valid WordPress account but no special interaction. Site administrators should update to a version newer than 5.0.2 to prevent unauthorized configuration changes.
What an attacker can do
03Attacker Capabilities
Modify site settings or configurations that should be restricted to administrators.
Potential impact on your site
04Site Impact
Unauthorized users could alter security settings, potentially weakening site protection or causing service disruption.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege WordPress user account (e.g., subscriber or contributor).
Key dates
06Disclosure timeline
January 23, 2026
CVE published
April 28, 2026
Record updated