PHP file inclusion in Joomla! - CVE-2021-26031
Published: April 13, 2021
Vulnerability identifier: #VU52172
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-2021-26031
CWE-ID: CWE-98
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Joomla!
Affected software:
Joomla!
Joomla!
Detailed vulnerability description
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 on module layout settings. A remote user 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.
How to mitigate CVE-2021-26031
Install updates from vendor's website.