Description
Multiple cross-site scripting (XSS) vulnerabilities in repo/includes/EntityView.php in the Wikibase extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allow (1) remote attackers to inject arbitrary web script or HTML via a label in the "In other languages" section or (2) remote administrators to inject arbitrary web script or HTML via a description.
Remediation
References
Related Vulnerabilities
Apache Tomcat Improper Access Control Vulnerability (CVE-2016-8735)
MediaWiki Other Vulnerability (CVE-2013-4567)
WordPress Plugin NextGEN Gallery-WordPress Gallery Security Bypass (3.1.6)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-6100)
MediaWiki Improper Input Validation Vulnerability (CVE-2017-0368)