#VU40942 Cross-site scripting in MediaWiki - CVE-2014-9477
Vulnerability identifier: #VU40942
Vulnerability risk: Low
CVSSv4.0: 2.7 [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-2014-9477
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
Description
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in the Listings extension for MediaWiki when processing the (1) name or (2) url parameter. 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
MediaWiki: 1.20 - 1.24.0
External links
https://www.openwall.com/lists/oss-security/2014/12/21/2
https://www.openwall.com/lists/oss-security/2015/01/03/13
https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.html
https://phabricator.wikimedia.org/T77624
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
