A mediawiki security update has been released for Debian GNU/Linux 10 to address several security vulnerabilities.

DLA 3117-1: mediawiki security update

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Debian LTS Advisory DLA-3117-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
September 22, 2022   https://wiki.debian.org/LTS
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Package : mediawiki
Version : 1:1.31.16-1+deb10u3
CVE ID : CVE-2021-44856 CVE-2022-28201 CVE-2022-28202 CVE-2022-28203
CVE-2022-34911 CVE-2022-34912

Several security vulnerabilities were discovered in mediawiki, a website engine
for collaborative work. Insufficiently escaped input text may allow a malicious
user to perform cross-site-scripting (XSS) attacks.

For Debian 10 buster, these problems have been fixed in version
1:1.31.16-1+deb10u3.

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/mediawiki

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