CVE-2020-36849: AIT CSV import/export <= 3.0.3 - Unauthenticated Arbitrary File Upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-12 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

AIT Themes AIT CSV import/export: through 3.0.3

References

https://github.com/rapid7/metasploit-framework/blob/master//modules/exploits/multi/http/wp_ait_csv_rce.rb
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/wp_ait_csv_rce.rb
https://wpscan.com/vulnerability/36e699a4-91f2-426d-ba14-26036fbfeaea
https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-ait-themes-csv-import-export-arbitrary-file-upload-3-0-3/
https://www.ait-themes.club/wordpress-plugins/csv-import-export/
https://www.wordfence.com/threat-intel/vulnerabilities/id/cece751c-400d-42b4-9438-950d5aca51fc?source=cve
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/wp_ait_csv_rce.rb

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