Description
Drupal Core is prone to a directory traversal vulnerability because it fails to sufficiently verify user-supplied input. Exploiting this issue can allow an attacker to obtain sensitive information that could aid in further attacks. Drupal Core versions 8.6.x ranging from 8.6.0 and up to and including 8.6.15 are vulnerable.
Remediation
Update to Drupal Core version 8.6.16 or latest
References
Related Vulnerabilities
Drupal Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-5652)
WordPress Plugin SoundCloud Is Gold 'width' Parameter Cross-Site Scripting (2.1)
WordPress Plugin WP Mail Logging Cross-Site Scripting (1.8.2)
Apache version older than 1.3.31
Django Permissions, Privileges, and Access Controls Vulnerability (CVE-2014-0473)