Vulnerability CVE-2013-4303
Published: 2019-12-11

Description:
includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 does not properly detect extensions when there are an even number of "." (period) characters in a string, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the siprop parameter in a query action to wiki/api.php.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

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://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
http://seclists.org/oss-sec/2013/q3/553
http://www.securityfocus.com/bid/62194
https://bugzilla.wikimedia.org/show_bug.cgi?id=52746
https://exchange.xforce.ibmcloud.com/vulnerabilities/86897
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