🔐 CVE Alert

CVE-2023-4142

HIGH 8.0

WP Ultimate CSV Importer <= 7.9.8 - Authenticated (Author+) Remote Code Execution

CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th

The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 7.9.8 via the '->cus1' parameter. This allows authenticated attackers with author-level permissions or above, if the administrator previously grants access in the plugin settings, to execute code on the server. The author resolved this vulnerability by removing the ability for authors and editors to import files, please note that this means remote code execution is still possible for site administrators, use the plugin with caution.

CWE CWE-94
Vendor smackcoders
Product wp ultimate csv importer – import csv, xml & excel into wordpress
Published Aug 4, 2023
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

smackcoders / WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress
0 ≤ 7.9.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/db1bad2e-55df-40c5-9a3f-651858a19b42?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wp-ultimate-csv-importer/tags/7.9.6/importExtensions/ImportHelpers.php#L205 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2944635/wp-ultimate-csv-importer/trunk/wp-ultimate-csv-importer.php

Credits

István Márton