WordPress security changelog
CRITICAL CVE-2020-36849 Analyzed

AIT CSV import/export: Dangerous file upload

AIT CSV import/export is affected by dangerous file upload. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise.

CVE / CNA score 9.8 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
AIT CSV import/export
Plugin slug
csv-import-export
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jul 12, 2025
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Jul 12, 2025 and is one of 2 known issues for this plugin.

Update, patch or deactivate.

Update AIT CSV import/export to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The AIT CSV import/export plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the /wp-content/plugins/ait-csv-import-export/admin/upload-handler.php file in versions up to, and including, 3.0.3. This makes it possible for unauthorized attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources