Vulnerability identifier: #VU58019

Vulnerability risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2021-39352

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Catch Themes Demo Import
Web applications / Modules and components for CMS

Vendor: Catch Plugins

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within the import functionality in the ~/inc/CatchThemesDemoImport.php file. A remote administrator can upload a malicious file and execute it on the server.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Catch Themes Demo Import: 1.0.0 - 1.7

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External links
http://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.php
http://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.md
http://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.