Description
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.3, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html at the end of the query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character.
Remediation
References
Related Vulnerabilities
WordPress 4.2.x Multiple Vulnerabilities (4.2 - 4.2.30)
MediaWiki Improper Access Control Vulnerability (CVE-2016-6337)
Drupal Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2014-2983)
WordPress Plugin Zoho Marketing Automation SQL Injection (1.2.7)
PHP Deserialization of Untrusted Data Vulnerability (CVE-2018-19396)