https://stackoverflow.com › questions › 23674199
javascript - Why is there no same-origin policy for WebSockets? Why can ...WebSockets can cross domain communication, and they are not limited by the SOP (Same Origin Policy). The same security issue you described can happen without WebSockets. The evil JS can: Create a script/image tag with a URL to evil.tld and put data in the query string.
https://websockets.readthedocs.io › en › stable › topics › authentication.html
Authentication - websockets 13.1 documentationUnfortunately, when the WebSocket server runs on a different domain from the web application, this idea bumps into the Same-Origin Policy. For security reasons, setting a cookie on a different origin is impossible.
https://developer.mozilla.org › fr › docs › Web › Security › Same-origin_policy
Same-origin policy - Sécurité Web | MDN - MDN Web DocsLa same-origin policy restreint la manière dont un document ou un script chargé depuis une origine peut interagir avec une autre ressource chargée depuis une autre origine.
https://dev.to › pssingh21 › websockets-bypassing-sop-cors-5ajm
WebSockets bypassing SOP/CORS - DEV CommunityIf a webserver supports WebSockets, an attacker could create a cross-origin WS connection to the server. Even though the server does not respond with CORS header, WebSocket connection will be established if the server supports WebSockets and sends a 101 Switching Protocol status.
https://en.wikipedia.org › wiki › Same-origin_policy
Same-origin policy - WikipediaIn computing, the same-origin policy (SOP) is a concept in the web application security model. Under the policy, a web browser permits scripts contained in a first web page to access data in a second web page, but only if both web pages have the same origin. An origin is defined as a combination of URI scheme, host name, and port ...
https://developer.mozilla.org › en-US › docs › Web › Security › Same-origin_policy
Same-origin policy - Security on the web | MDN - MDN Web DocsThe same-origin policy is a critical security mechanism that restricts how a document or script loaded by one origin can interact with a resource from another origin. It helps isolate potentially malicious documents, reducing possible attack vectors.
https://www.baeldung.com › spring-security-websockets
Intro to Security and WebSockets - BaeldungThe Same Origin Policy requires that all interactions with an endpoint must come from the same domain where the interaction was initiated. For example, suppose your WebSockets implementation is hosted at foo.com, and you are enforcing same origin policy.
https://security.stackexchange.com › questions › 115716
Is the Origin header really useful for securing a WebSocket?Checking the Origin header prevents a WebSocket from being used by another website that the user is also visiting (e.g. to extract data). As per the link : WebSockets are not restrained by the same-origin policy
https://web.dev › articles › websockets-basics
Introducing WebSockets - Bringing Sockets to the WebCross-origin communication Being a modern protocol, cross origin communication is baked right into WebSocket. While you should still make sure only to communicate with clients and servers that you trust, WebSocket enables communication between parties on any domain.
https://stackoverflow.com › questions › 20036901
javascript - Security of WebSocket in light of no same origin ...A script can already use JSONP to connect to a cooperating (e.g. supports JSONP), non-originating server. Same things for WebSockets. Plus, any program or server (outside of a browser) can connect to a WebSocket too. If you choose to support WebSockets on your server, then you have to know that anyone can connect to it and act ...
