Description
The private filesystem in Drupal 5.x before 5.10 and 6.x before 6.4 trusts the MIME type sent by a web browser, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks by uploading files containing arbitrary web script or HTML.
Remediation
References
Related Vulnerabilities
WordPress Plugin Ninja Forms with File Uploads Extension Cross-Site Scripting (3.3.12)
Drupal Permissions, Privileges, and Access Controls Vulnerability (CVE-2008-4789)
WordPress Plugin Livefyre Comments 3 Cross-Site Scripting (4.1.4)
WordPress Plugin WP e-Commerce-Store Toolkit Privilege Escalation (2.0)