CVE-2015-8622

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1, when is configured with a relative URL, allows remote authenticated users to inject arbitrary web script or HTML via wikitext, as demonstrated by a wikilink to a page named "javascript:alert('XSS!')."

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.36%
Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html mailing list release notes patch vendor advisory
http://www.openwall.com/lists/oss-security/2015/12/23/7 mailing list third party advisory patch
https://phabricator.wikimedia.org/T117899 issue tracking third party advisory patch
http://www.openwall.com/lists/oss-security/2015/12/21/8 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2015-8622?
CVE-2015-8622 has been scored as a medium severity vulnerability.
How to fix CVE-2015-8622?
To fix CVE-2015-8622, 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-2015-8622 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8622 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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