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Debian Buster Security Advisory DSA-4651-1 Critical MediaWiki CSS Issue

debian
Calendar Grey April 2, 2020
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Boost the security of your Debian system by quickly updating your MediaWiki installation to fix a recent vulnerability related to user-submitted CSS styles. Follow these steps to upgrade
It was discovered that some user-generated CSS selectors in MediaWiki, a website engine for collaborative work, were not escaped
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Topics Covered

security advisory debian critical threat mediawiki css issue

Summary

It was discovered that some user-generated CSS selectors in MediaWiki, a
website engine for collaborative work, were not escaped.

The oldstable distribution (stretch) is not affected.

For the stable distribution (buster), this problem has been fixed in
version 1:1.31.7-1~deb10u1.

We recommend that you upgrade your mediawiki packages.

For the detailed security status of mediawiki please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/mediawiki

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: mediawiki
CVE ID: CVE-2020-10960

Topics%20covered

Topics Covered

security advisory debian critical threat mediawiki css issue

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