Description
Drupal Core is prone to an open redirect vulnerability because the application fails to properly verify user-supplied input. Exploiting this issue may allow attackers to redirect users to arbitrary web sites and conduct phishing attacks; other attacks are also possible. Drupal Core versions 7.x ranging from 7.0 and up to and including 7.69 are vulnerable.
Remediation
Update to Drupal Core version 7.70 or latest
References
Related Vulnerabilities
Jboss EAP Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2017-12617)
GlassFish CVE-2016-5519 Vulnerability (CVE-2016-5519)
WordPress Plugin Fancy Cats Multiple Cross-Site Scripting Vulnerabilities (1.1)
Plone CMS URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (CVE-2020-7936)