Broken Link Checker by AIOSEO <= 1.2.3 - Authenticated (Contributor+) SQL Injection
Vulnerability Description
The Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links plugin for WordPress is vulnerable to SQL Injection via the 'orderBy' parameter in all versions up to, and including, 1.2.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Christiaan Swiers
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ce2d582e-4f50-4b55-9f3b-3c46d96c0927?source=cve
- https://plugins.trac.wordpress.org/browser/broken-link-checker-seo/trunk/app/Api/Api.php#L42
- https://plugins.trac.wordpress.org/browser/broken-link-checker-seo/trunk/app/Api/LinkStatusTable.php#L31
- https://plugins.trac.wordpress.org/browser/broken-link-checker-seo/trunk/app/Core/Database.php#L1357
- https://plugins.trac.wordpress.org/browser/broken-link-checker-seo/trunk/app/Core/Database.php#L552
- https://wordpress.org/plugins/broken-link-checker-seo
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3263416%40broken-link-checker-seo&new=3263416%40broken-link-checker-seo&sfp_email=&sfph_mail=
Affected Vendor
aioseo
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