Vulnerability CVE-2016-6333
Published: 2017-04-20

Description:
Cross-site scripting (XSS) vulnerability in the CSS user subpage preview feature in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via the edit box in Special:MyPage/common.css.

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Mediawiki -> Mediawiki 

 References:
http://www.securityfocus.com/bid/98053
https://bugzilla.redhat.com/show_bug.cgi?id=1369613
https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
https://phabricator.wikimedia.org/T133147
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