High severity · published Apr 8, 2026
CVE-2026-39466
WordPress Broken Link Checker plugin <= 2.4.7 - SQL Injection vulnerability
7.6
CVSS
0.3%
EPSS
No
On KEV
Description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WPMU DEV - Your All-in-One WordPress Platform Broken Link Checker broken-link-checker allows Blind SQL Injection.This issue affects Broken Link Checker: from n/a through <= 2.4.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BL
Broken Link Checker · WPMU DEV - Your All-in-One WordPress Platform
through 2.4.7 · source: vendor
Affected product
BL
Broken Link Checker
WPMU DEV - Your All-in-One WordPress Platform