A mediawiki security update has been released for Debian GNU/Linux 11 and 12 to address multiple security issues.

[SECURITY] [DSA 5447-1] mediawiki security update

- -------------------------------------------------------------------------
Debian Security Advisory DSA-5447-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
July 05, 2023 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : mediawiki
CVE ID : CVE-2023-29141 CVE-2023-36674 CVE-2023-36675
Debian Bug : 1039075

Multiple security issues were discovered in MediaWiki, a website engine
for collaborative work, which could result in cross-site scripting, a
bypass of vandalism protections or information disclosure.

For the oldstable distribution (bullseye), these problems have been fixed
in version 1:1.35.11-1~deb11u1.

For the stable distribution (bookworm), these problems have been fixed in
version 1:1.39.4-1~deb12u1.

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