Open redirect in Moodle - CVE-2023-40323
Published: August 22, 2023
Vulnerability identifier: #VU79833
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40323
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data on admin view all policies page. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
Moodle
How to mitigate CVE-2023-40323
Install updates from vendor's website.
Moodle - addressed in versions 3.9.23, 3.11.16, 4.0.10, 4.1.5, 4.2.2