PHP file inclusion in October CMS - CVE-2020-5295
Published: June 6, 2020 / Updated: June 17, 2021
Vulnerability identifier: #VU28765
CSH Severity: Medium
CVSS v4: 8.6 [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]
CVE-ID: CVE-2020-5295
CWE-ID: CWE-98
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to include and execute arbitrary PHP files on the server.
The vulnerability exists due to incorrect input validation when including PHP files. A remote authenticated user with `cms.manage_assets` permission can send a specially crafted HTTP request to the affected application, include and execute arbitrary PHP code on the system with privileges of the web server.
Affected software
October CMS
How to mitigate CVE-2020-5295
Install updates from vendor's website.
October CMS - update to 1.0.466