medium
6.1
CWE
79
Advisory Published
Updated

CVE-2015-8622: XSS

First published: Thu Mar 23 2017(Updated: )

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1, when is configured with a relative URL, allows remote authenticated users to inject arbitrary web script or HTML via wikitext, as demonstrated by a wikilink to a page named "javascript:alert('XSS!')."

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
MediaWiki<=1.23.11
MediaWiki=1.24.0
MediaWiki=1.24.1
MediaWiki=1.24.2
MediaWiki=1.24.3
MediaWiki=1.24.4
MediaWiki=1.25.0
MediaWiki=1.25.1
MediaWiki=1.25.2
MediaWiki=1.25.3
MediaWiki=1.26.0

Remedy

http://www.openwall.com/lists/oss-security/2015/12/21/8

Remedy

http://www.openwall.com/lists/oss-security/2015/12/23/7

Remedy

https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html

Remedy

https://phabricator.wikimedia.org/T117899

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-8622?

    CVE-2015-8622 is classified as a medium severity vulnerability due to its potential for cross-site scripting attacks.

  • How do I fix CVE-2015-8622?

    To fix CVE-2015-8622, upgrade MediaWiki to version 1.23.12, 1.24.5, 1.25.4, or 1.26.1 or later.

  • Who is affected by CVE-2015-8622?

    CVE-2015-8622 affects MediaWiki installations before specified patched versions when configured with a relative URL.

  • What type of attack does CVE-2015-8622 enable?

    CVE-2015-8622 enables remote authenticated users to perform cross-site scripting (XSS) attacks.

  • What are the versions of MediaWiki vulnerable to CVE-2015-8622?

    The vulnerable versions of MediaWiki are 1.23.11 and earlier, 1.24.4 and earlier, 1.25.3 and earlier, and 1.26.0 and earlier.

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