--- title: "CVE-2015-2940\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2015-2940?format=md keywords: index, follow --- # CVE-2015-2940 Publication date 13 April 2015 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Cross-site request forgery (CSRF) vulnerability in the CheckUser extension for MediaWiki allows remote attackers to hijack the authentication of certain users for requests that retrieve sensitive user information via unspecified vectors. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | mediawiki | 19.04 disco | Not affected | | 18.10 cosmic | Not affected | | 18.04 LTS bionic | Not affected | | 17.10 artful | Ignored end of life | | 17.04 zesty | Ignored end of life | | 16.10 yakkety | Ignored end of life | | 16.04 LTS xenial | Not in release | | 15.10 wily | Ignored end of life | | 15.04 vivid | Ignored end of life | | 14.10 utopic | Ignored end of life | | 14.04 LTS trusty | Not in release | | 12.04 LTS precise | Ignored end of life | | 10.04 LTS lucid | Ignored end of life | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2940) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-2940) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-2940) * [Debian](https://security-tracker.debian.org/tracker/CVE-2015-2940) ### Other references * * *