Cross-site scripting in Moodle - CVE-2013-1833
Published: March 25, 2013 / Updated: January 16, 2023
Vulnerability identifier: #VU42954
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1833
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via a crafted filename. A remote attacker can trick the victim to follow a specially crafted link 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-2013-1833
Install update from vendor's website.
moodle - update to 2.2.9-1.el6
External References
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37507
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101310.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101358.html
- http://openwall.com/lists/oss-security/2013/03/25/2
- https://moodle.org/mod/forum/discuss.php?d=225344