Description
An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.
Remediation
References
Related Vulnerabilities
WordPress Plugin Welcart e-Commerce Multiple Vulnerabilities (1.4.17)
Joomla Incorrect Authorization Vulnerability (CVE-2020-11891)
Oracle Application Server CVE-2006-3711 Vulnerability (CVE-2006-3711)
WordPress Plugin WP Limit Login Attempts SQL Injection (2.0.0)
WordPress Plugin BuddyPress Unspecified Vulnerability (2.6.0)