Arbitrary file upload in Ait Themes Csv Import/export
CVE-2020-36849
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Product)
- security@wordfence.com (Vendor Advisory)
- security@wordfence.com (Exploit)
- security@wordfence.com (Exploit)
- security@wordfence.com (Exploit)
Frequently asked questions
- What is CVE-2020-36849?
- CVE-2020-36849 is a critical-severity vulnerability in Ait Themes Csv Import/export, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-07-12.
- How severe is CVE-2020-36849?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-36849 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.