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CVE-2025-10057

HIGH 8.8 CVSS 3.1
Published
September 17, 2025
Last modified
September 26, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Affected WordPress components

  • WP Ultimate CSV Importer – WordPress CSV, XML & Excel Import Plugin · wp-ultimate-csv-importer
    Confirmed match Active
    From 7.20 (including) to 7.28 (including)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • smackcoders WP Import – Ultimate CSV XML Importer for WordPress — From 7.20 (including) to 7.28 (including)

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-ultimate-csv-importer/tags/7.25/importExtensions/ImportHelpers.php#L585
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3360428/wp-ultimate-csv-importer/trunk/importExtensions/ImportHelpers.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3360428/wp-ultimate-csv-importer/trunk/uploadModules/DesktopUpload.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/925af22b-a728-496e-a63a-5966347ebe6c?source=cve
  • nvd.nist.gov Official NVD record