Description
The is_safe_url function in utils/http.py in Django 1.4.x before 1.4.6, 1.5.x before 1.5.2, and 1.6 before beta 2 treats a URL's scheme as safe even if it is not HTTP or HTTPS, which might introduce cross-site scripting (XSS) or other vulnerabilities into Django applications that use this function, as demonstrated by "the login view in django.contrib.auth.views" and the javascript: scheme.
Remediation
References
Related Vulnerabilities
Oracle Database Server CVE-2006-0260 Vulnerability (CVE-2006-0260)
WordPress Plugin Affiliates Manager Multiple Vulnerabilities (2.9.13)
MODX Improper Restriction of XML External Entity Reference Vulnerability (CVE-2020-25911)
WordPress Plugin Smart Marketing SMS and Newsletters Forms Security Bypass (2.6.1)