What’s Vulnerable › Vulnerabilities

CVE-2023-23737: WordPress MainWP Broken Links Checker Extension Plugin <= 4.0 is vulnerable to SQL Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-12 · updated 2026-06-17
• Weakness: CWE-89

Description

Unauth. SQL Injection (SQLi) vulnerability in MainWP MainWP Broken Links Checker Extension plugin <= 4.0 versions.

Affected products

• wpmudev Broken Link Checker: through 4.0

References

• https://patchstack.com/database/vulnerability/mainwp-broken-links-checker-extension/wordpress-mainwp-broken-links-checker-extension-plugin-4-0-unauthenticated-sql-injection-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/mainwp-broken-links-checker-extension/wordpress-mainwp-broken-links-checker-extension-plugin-4-0-unauthenticated-sql-injection-vulnerability?_s_id=cve

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