SB2023102736 - Improper Neutralization of Special Elements Used in a Template Engine in kimai2
Published: October 27, 2023 Updated: April 14, 2026
Security Bulletin ID
SB2023102736
CSH Severity
Low
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 vulnerability.
1) Improper Neutralization of Special Elements Used in a Template Engine (CVE-ID: CVE-2023-46245)
CWE-ID: CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
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:U/U:Clear
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to server-side template injection in the Twig template upload feature when processing an uploaded malicious Twig file. A remote privileged user can upload a specially crafted Twig file to execute arbitrary code.
Remediation
Install update from vendor's website.