WP Import – Ultimate CSV XML Importer for WordPress 7.20 - 7.28 - Authenticated (Subscriber+) Remote Code Execution via Code Injection
Vulnerability Description
The WP Import – Ultimate CSV XML Importer for WordPress plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.28. This is due to the write_to_customfile() function writing unfiltered PHP code to a file. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject the customFunction.php file with PHP code that can be accessed to trigger remote code execution.
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?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-10057
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Arkadiusz Hydzik
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/925af22b-a728-496e-a63a-5966347ebe6c?source=cve
- https://plugins.trac.wordpress.org/browser/wp-ultimate-csv-importer/tags/7.25/importExtensions/ImportHelpers.php#L585
- https://plugins.trac.wordpress.org/changeset/3360428/wp-ultimate-csv-importer/trunk/uploadModules/DesktopUpload.php
- https://plugins.trac.wordpress.org/changeset/3360428/wp-ultimate-csv-importer/trunk/importExtensions/ImportHelpers.php
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