Multiple vulnerabilities have been discovered in MediaWiki. Please
review the CVE identifiers referenced below for details.
Impact
A remote attacker may be able to create a Denial of Service condition,
obtain sensitive information, bypass security restrictions, and inject
arbitrary web script or HTML.
Workaround
There is no known workaround at this time.
Resolution
All MediaWiki 1.25 users should upgrade to the latest version:
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.