SQL Injection Vulnerability in WPMU DEV Broken Link Checker Plugin for WordPress
CVE-2026-39466

7.6HIGH

Key Information:

Vendor

WordPress
Status
Broken Link Checker
Vendor
CVE Published:
8 April 2026

What is CVE-2026-39466?

An SQL Injection vulnerability exists in WPMU DEV's Broken Link Checker plugin, allowing attackers to execute blind SQL injection attacks. The issue affects versions of the plugin up to and including 2.4.7, potentially compromising the underlying database and exposing sensitive data. Users are advised to update to the latest version to mitigate this risk.

Affected Version(s)

Broken Link Checker 0 <= 2.4.7

References

https://patchstack.com/database/Wordpress/Plugin/broken-l...
vdb-entry

CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.