Widgets Project Security Vulnerabilities

CVE-2015-6737

Cross-site scripting (XSS) vulnerability in the Widgets extension for MediaWiki allows remote attackers to inject arbitrary web script or HTML via vectors involving base64 encoded content.

CVE-2020-9382

An issue was discovered in the Widgets extension through 1.4.0 for MediaWiki. Improper title sanitization allowed for the execution of any wiki page as a widget (as defined by this extension) via MediaWiki's {{#widget:}} parser function.