What the vulnerability does
01Description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in AIOSEO Plugin Team Broken Link Checker broken-link-checker-seo allows SQL Injection.This issue affects Broken Link Checker: from n/a through <= 1.2.6.
Explanation of Vulnerability in Simple Terms
02Summary
The Broken Link Checker plugin for WordPress contains a SQL injection vulnerability in versions up to 1.2.6. An attacker with high-level site privileges can inject malicious SQL commands to read sensitive database information. The vulnerability requires administrative or editor-level access and does not require user interaction. Site scope is affected, meaning the attack can impact other parts of the WordPress installation.
What an attacker can do
03Attacker Capabilities
Read sensitive data from the WordPress database by injecting SQL commands.
Potential impact on your site
04Site Impact
An admin or editor account can be compromised to extract database contents including user credentials and configuration data.
Conditions required to exploit
05Prerequisites
Attacker must have high-level site privileges (admin or editor role).
Key dates
06Disclosure timeline
December 16, 2025
CVE published
April 28, 2026
Record updated