A mediawiki security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: mediawiki-1.35.4-1.fc33

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Fedora Update Notification
FEDORA-2021-56d8173b5e
2021-10-12 23:45:00.369205
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Name : mediawiki
Product : Fedora 33
Version : 1.35.4
Release : 1.fc33
URL :   https://www.mediawiki.org/
Summary : A wiki engine
Description :
MediaWiki is the software used for Wikipedia and the other Wikimedia
Foundation websites. Compared to other wikis, it has an excellent
range of features and support for high-traffic websites using multiple
servers

This package supports wiki farms. Read the instructions for creating wiki
instances under /usr/share/doc/mediawiki/README.RPM.
Remember to remove the config dir after completing the configuration.

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Update Information:

  https://www.mediawiki.org/wiki/Release_notes/1.35#MediaWiki_1.35.4
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ChangeLog:

* Mon Oct 4 2021 Michael Cronenworth - 1.35.4-1
- Update to 1.35.4
-   https://www.mediawiki.org/wiki/Release_notes/1.35#MediaWiki_1.35.4
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References:

[ 1 ] Bug #1980309 - CVE-2021-35197 mediawiki: blocked users are able to purge pages impacting Integrity [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1980309
[ 2 ] Bug #1995203 - CVE-2021-31556 mediawiki: MWOAuthConsumerSubmitControl.php does not ensure that the length of an RSA key will fit in a MySQL blob [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1995203
[ 3 ] Bug #2010198 - CVE-2021-41798 mediawiki: Cross-site scripting (XSS) in Special:Search [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=2010198
[ 4 ] Bug #2010199 - CVE-2021-41800 mediawiki: improper access restrictions in PoolCounter protection of Special:Contributions. [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=2010199
[ 5 ] Bug #2010201 - CVE-2021-41799 mediawiki: ApiQueryBacklinks can cause a full table scan and as a result DoS [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=2010201
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-56d8173b5e' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys