Code Injection in October CMS - CVE-2021-32649
Published: January 14, 2022
Vulnerability identifier: #VU59616
CSH Severity: Medium
CVSS v4.0: 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:Green
CVE-ID: CVE-2021-32649
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OctoberCMS
Affected software:
October CMS
October CMS
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary PHP code on the target system.
The vulnerability exists due to improper input validation. A remote user with "create, modify and delete website pages" privileges can execute PHP code by running specially crafted Twig code in the template markup.
How to mitigate CVE-2021-32649
Install updates from vendor's website.