Межсайтовый скриптинг (cross site scripting, xss). Cors защита. Cross-origin resource sharing. Разница между source и origin. Cross-origin-resource-policy: cross-origin.
Cross origin html. Let xhr = new xmlhttprequest();. Cross origin. Cross apply. Cross origin html.
Cors policy. Cross-origin resource sharing. Cors headers. Cross origin html. Cors policy.
Same origin policy. Cross-origin resource sharing. Access-control-allow-origin. Has been blocked by cors policy: no 'access-control-allow-origin' header is present on the requested resource. Cross origin html.