Debian: DSA-5520-1 Critical Update for MediaWiki XSS Risks

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

For the oldstable distribution (bullseye), these problems have been fixed
in version 1:1.35.13-1~deb11u1.

For the stable distribution (bookworm), these problems have been fixed in
version 1:1.39.5-1~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/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/