#VU40940 Cross-site scripting in MediaWiki - CVE-2014-9479
Published: January 16, 2015 / Updated: April 10, 2021
Vulnerability identifier: #VU40940
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2014-9479
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
MediaWiki
MediaWiki
Software vendor:
MediaWiki.org
MediaWiki.org
Description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in the preview in the TemplateSandbox extension for MediaWiki when processing text parameter to Special:TemplateSandbox. 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.
Remediation
Install update from vendor's website.