WP Import – Ultimate CSV XML Importer for WordPress 7.20 - 7.28 - Authenticated (Subscriber+) Remote Code Execution via Code Injection

Improper Control of Generation of Code ('Code Injection')
CVE CVE-2025-10057
CVSS High (8.8)
Publicly Published September 16, 2025
Last Updated September 17, 2025
Researcher Arkadiusz Hydzik
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.

References

1 affected software package

Software Type Plugin
Software Slug wp-ultimate-csv-importer (view on wordpress.org)
Patched? Yes
Affected Version
  • 7.20 - 7.28
Patched Version
  • 7.29
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