CVE-2026-126640: WP Ultimate CSV Importer < 9.3 - Admin+ SQLi via LifterLMS Import
The WP Ultimate CSV Importer WordPress plugin before 9.3 does not escape values from imported files before using them in SQL queries when importing LifterLMS content, allowing high privilege users such as admin, including the administrator of a single site on a multisite network, to perform SQL injection attacks.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue in practice?
An attacker needs high-privilege access, such as an administrator account. On a multisite network, the administrator of an individual site is included in the affected privilege level.
What action triggers the vulnerable code path?
The issue is triggered when importing LifterLMS content with WP Ultimate CSV Importer. Malicious values in the imported file can reach SQL queries without being escaped.
Are versions 9.3 and later affected?
The issue affects versions before 9.3. Updating the plugin to version 9.3 or later removes the affected version range described here.