CVE-2013-4303
MEDIUM severity · CVSS 6.1 · Cross-site scripting (XSS)
6.1CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html ↗
Additional information
- NVD record
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlPatch
- https://bugzilla.wikimedia.org/show_bug.cgi?id=52746Patch
- http://seclists.org/oss-sec/2013/q3/553Advisory
- http://www.securityfocus.com/bid/62194Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86897Advisory