CVE-2025-62128 MEDIUM

CVE-2025-62128: WordPress SiteLock Security plugin <= 5.0.1 - Broken Access Control vulnerability

Vendor Sitelock
Product SiteLock Security – WP Hardening, Login Security & Malware Scans
Weakness CWE-862 · Missing authorization
Published December 30, 2025
Last update May 13, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

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 <= 5.0.1.

Explanation of Vulnerability in Simple Terms

02Summary

The SiteLock Security plugin for WordPress contains an authorization flaw that allows authenticated users with low privileges to trigger a denial-of-service condition. An attacker with a valid WordPress account can make requests that degrade site availability. The vulnerability affects versions up to 5.0.1 and requires valid login credentials to exploit.

What an attacker can do

03Attacker Capabilities

An authenticated attacker can make requests that degrade or disrupt site availability.

Potential impact on your site

04Site Impact

A malicious user or compromised low-privilege account can cause temporary site slowdowns or unavailability.

Conditions required to exploit

05Prerequisites

Attacker must have a valid WordPress user account with low-level privileges.

Key dates

06Disclosure timeline

December 30, 2025 CVE published
May 13, 2026 Record updated