CVE-2014-2242

Description

includes/upload/UploadBase.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload, as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/65910 vdb entry
http://openwall.com/lists/oss-security/2014/02/28/1 mailing list
https://gerrit.wikimedia.org/r/#/q/7d923a6b53f7fbcb0cbc3a19797d741bf6f440eb%2Cn%2Cz
http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html mailing list patch vendor advisory
https://bugzilla.wikimedia.org/show_bug.cgi?id=60771 vendor advisory
http://openwall.com/lists/oss-security/2014/03/01/2 mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1071135

Frequently Asked Questions

What is the severity of CVE-2014-2242?
CVE-2014-2242 has been scored as a medium severity vulnerability.
How to fix CVE-2014-2242?
To fix CVE-2014-2242, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-2242 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-2242 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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