CVE-2021-39352

Name: CVE-2021-39352
Creator: NVD / NIST
Published: 2021-10-21T20:15:08.06+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 56.65%

Last modified Jun 17, 2026

CVE-2021-39352 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. The Catch Themes Demo Import WordPress plugin is vulnerable to arbitrary file uploads via the import functionality found in the ~/inc/CatchThemesDemoImport.php file, in versions up to and including 1.7, due to insufficient file type validation. This makes it possible for an attacker with administrative privileges to upload malicious files that can be used to achieve remote code execution.. EPSS estimates a 56.65% chance of exploitation in the next 30 days.

Description

The Catch Themes Demo Import WordPress plugin is vulnerable to arbitrary file uploads via the import functionality found in the ~/inc/CatchThemesDemoImport.php file, in versions up to and including 1.7, due to insufficient file type validation. This makes it possible for an attacker with administrative privileges to upload malicious files that can be used to achieve remote code execution.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

56.65%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Catchplugins	Catch Themes Demo Import	<= 1.7

References

http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.htmlThird Party Advisory, VDB Entry
https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.mdExploit, Third Party Advisory
https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.phpPatch, Third Party Advisory
https://www.exploit-db.com/exploits/50580Exploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352Third Party Advisory
http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.htmlThird Party Advisory, VDB Entry
https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.mdExploit, Third Party Advisory
https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.phpPatch, Third Party Advisory
https://www.exploit-db.com/exploits/50580Exploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352Third Party Advisory

Timeline

Published: Oct 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39352?

How severe is CVE-2021-39352?

CVE-2021-39352 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 56.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39352?

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-2021-39352?

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

Scan your code now

Source: NVD / NIST