The django.util.http.is_safe_url function in Django before 1.4.18, 1.6.x before 1.6.10, and 1.7.x before 1.7.3 does not properly handle leading whitespaces, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL, related to redirect URLs, as demonstrated by a \njavascript: URL.
{
"nvd_published_at": "2015-01-16T16:59:00Z",
"github_reviewed": true,
"github_reviewed_at": "2023-08-03T21:14:30Z",
"severity": "MODERATE",
"cwe_ids": [
"CWE-79"
]
}