Language: Python
Label: safe
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
    def test_view_object_with_computed_field_unsafe_template(self):
        """Ensure that computed field templates can't be used as an XSS vector."""
        self.computedfield.template = '<script>alert("Hello world!"</script>'
        self.computedfield.validated_save()
        response = self.client.get(self.location_type.get_absolute_url(), follow=True)
        self.assertEqual(response.status_code, 200)
        content = extract_page_body(response.content.decode(response.charset))
        self.assertNotIn("<script>alert", content, content)
        self.assertIn("&lt;script&gt;alert", content, content)