Rule Definition
The most interesting capability exposed by both XMLHttpRequest or Fetch and CORS is the ability to make "credentialed" requests that are aware of HTTP cookies and HTTP Authentication information. By default, in cross-site XMLHttpRequest or Fetch invocations, browsers will not send credentials. A specific flag has to be set on the XMLHttpRequest object or the Request constructor when it is invoked.
Violation Code Sample
// BAD PRACTICE
$httpProvider.defaults.withCredentials = false;
Fixed Code Sample
$httpProvider.defaults.withCredentials = true;
Reference
https://docs.angularjs.org/api/ng/service/$http
Related Technologies
Technical Criterion
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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