It is insecure to allow a webpage to request any resources from any other {{glossary("domain","domains")}} without limitation. CORS (cross-origin resource sharing) is a system that determines whether to block or fulfill these requests.
Revision 788296 of CORS
Revision Information
- Revision slug: Glossary/CORS
- Revision title: CORS
- Revision id: 788296
- Created:
- Creator: Andrew_Pfeiffer
- Is current revision? No
- Comment
Tags:
Revision Content
Revision Source
<p>It is insecure to allow a webpage to request any resources from any other {{glossary("domain","domains")}} without limitation. <b>CORS </b>(cross-origin resource sharing) is a system that determines whether to block or fulfill these requests.</p>
<h2>Learn more</h2>
<h3>General knowledge</h3>
<ul>
<li><a href="/en-US/docs/Web/HTTP/Access_control_CORS">HTTP access control (CORS)</a></li>
<li><a href="https://en.wikipedia.org/wiki/Cross-origin_resource_sharing">Wikipedia article</a></li>
</ul>
<h3>Technical reference</h3>
<ul>
<li><a href="https://www.w3.org/TR/cors/">Specification</a></li>
</ul>