CVE-2020-36849

Name: CVE-2020-36849
Creator: NVD / NIST
Published: 2025-07-12T12:15:25.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.66%

Last modified Jun 17, 2026

CVE-2020-36849 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.66% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.66%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Ait-Themes	Csv Import \/ Export	<= 3.0.3

References

Timeline

Published: Jul 12, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-36849?

How severe is CVE-2020-36849?

CVE-2020-36849 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.66% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36849?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36849?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST