CVE-2020-36849

AIT CSV import/export <= 3.0.3 - Unauthenticated Arbitrary File Upload

9.8 CriticalPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

7.99%Up 7.7 points since Jul 12, 2025

What each source reports

CVE List Score used 9.8

AIT CSV import/export <= 3.0.3 - Unauthenticated Arbitrary File Upload

Record: CVE-2020-36849
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

EUVDEUVD-2020-30798 9.8

Record: EUVD-2020-30798
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-p27j-qf57-7cm7 9.8

The AIT CSV import/export plugin for WordPress is vulnerable to arbitrary file uploads due to...

Record: GHSA-p27j-qf57-7cm7
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

NVD 9.8

Record: CVE-2020-36849
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	WordPress AIT CSV Import Export Unauthenticated Remote Code Execution	2020-11-14

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-36849 is a critical vulnerability (CVSS 9.8) in Ait Themes Csv Import/export, published July 12, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.99%, the 94th percentile. No source names a fixed version.