Cross-site scripting in Moodle - CVE-2015-3274
Published: February 22, 2016 / Updated: January 16, 2023
Vulnerability identifier: #VU40471
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-3274
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: moodle.org
Affected software:
Moodle
Moodle
Detailed vulnerability description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in the user_get_user_details function in user/lib.php in Moodle through 2.6.11, 2.7.x before 2.7.9, 2.8.x before 2.8.7, and 2.9.x before 2.9.1. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.
How to mitigate CVE-2015-3274
Install update from vendor's website.