CVE-2017-8811

Description

The implementation of raw message parameter expansion in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows HTML mangling attacks.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory debian.org Vendor Advisory wikimedia.org
Affected: n/a MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1039812 vdb entry third party advisory
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html mailing list patch vendor advisory
https://www.debian.org/security/2017/dsa-4036 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-8811?
CVE-2017-8811 has been scored as a medium severity vulnerability.
How to fix CVE-2017-8811?
To fix CVE-2017-8811, 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-2017-8811 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-8811 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.
What software or system is affected by CVE-2017-8811?
CVE-2017-8811 affects n/a MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2.
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