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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wp Ultimate Csv Importer Plugin | — | Update wp-ultimate-csv-importer plugin to version 7.29, or a newer patched version | Sep 17, 2025 | Sep 16, 2025 |
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