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

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. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4651-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff April 02, 2020 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : mediawiki CVE ID : CVE-2020-10960 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/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . 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. Debian Security, MediaWiki Update, CSS Selector Issue. . Severity: Critical. LinuxSecurity.com Team

Apr 02, 2020 •Critical Debian