CVE-2016-6333

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html patch vendor advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1369613 issue tracking
https://phabricator.wikimedia.org/T133147 third party advisory patch
http://www.securityfocus.com/bid/98053 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-6333?
CVE-2016-6333 has been scored as a medium severity vulnerability.
How to fix CVE-2016-6333?
To fix CVE-2016-6333, 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-2016-6333 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-6333 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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