SB2023051932 - Server-side template injection in Craft CMS
Published: May 19, 2023
Security Bulletin ID
SB2023051932
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2023-32679)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to the way the application handles uploaded files. A remote user can upload a text file with a malicious payload and execute it on the server, as it will be rendered as a template file.
Successful exploitation of this vulnerability requires that the "ALLOW_ADMIN_CHANGES" option is set to "true".
Remediation
Install update from vendor's website.