SB20230821232 - Security restrictions bypass in Craft CMS
Published: August 21, 2023
Security Bulletin ID
SB20230821232
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2023-40035)
The vulnerability allows a remote user to upload files to arbitrary locations.
The vulnerability exists due to input validation error within the validatePath function. A remote user can upload a malicious PHP template file and execute it on the server.
Successful exploitation requires "ALLOW_ADMIN_CHANGES=true" configuration.
Remediation
Install update from vendor's website.