Stored cross-site scripting in Moodle - CVE-2022-30596
Published: May 17, 2022
Vulnerability identifier: #VU63339
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2022-30596
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in assignment bulk marker allocation form. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2022-30596
Install updates from vendor's website.
Moodle - addressed in versions 3.9.14, 3.10.11, 3.11.7, 4.0.1
moodle - addressed in versions 3.11.7-1.fc34, 3.11.7-1.fc35, 3.11.7-1.fc36
moodle - addressed in versions 3.11.7-1.fc34, 3.11.7-1.fc35, 3.11.7-1.fc36