Code Injection in Moodle - CVE-2023-6663
Published: December 21, 2023
Vulnerability identifier: #VU84627
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-6663
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in course blocks. A remote user can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Moodle
How to mitigate CVE-2023-6663
Install updates from vendor's website.
Moodle - addressed in versions 3.9.25, 3.11.18, 4.0.12, 4.1.7, 4.2.4, 4.3.1