SB2021110906 - Arbitrary file upload in Catch Themes Demo Import plugin for WordPress
Published: November 9, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2021-39352)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
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.
Remediation
Install update from vendor's website.