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- Demystifying CORS, CSRF tokens, SameSite Clickjacking - Web Security
SOP, or Same-Origin Policy is a browser security feature which prevents AJAX requests in a third-party context But sometimes, we do want to allow exactly that (e g SPA app <> API server) And that's what CORS, or Cross-Origin Resource Sharing is for By setting various HTTP headers on the server 🤔 How does SOP protect the user from AJAX
- Same origin Policy and CORS (Cross-origin resource sharing)
The Same Origin Policy (SOP) is the policy browsers implement to prevent vulnerabilities via Cross Site Scripting (XSS) This is mainly for protecting the server, as there are many occasions when a server can be dealing with authentication, cookies, sessions, etc
- Work with SameSite cookies in ASP. NET Core | Microsoft Learn
Cookies without SameSite header are treated as SameSite=Lax by default SameSite=None must be used to allow cross-site cookie use Cookies that assert SameSite=None must also be marked as Secure Applications that use <iframe> may experience issues with sameSite=Lax or sameSite=Strict cookies because <iframe> is treated as cross-site scenarios
- The Hidden Pitfalls of APIs: XSS Attacks in Single Page Applications (SPA)
Other factors like Stored XSS attacks, misconfigured Cross-Origin Resource Sharing (CORS) policies, and weak Content Security Policies (CSP) can turn our normally safe and reliable API into a catalyst for chaos
- Defend Your SPA from Security Woes - Okta Developer
Cross-origin resources are a particular concern for SPAs; this refers to resources your web app uses that are not hosted on the same origin as your web application
- Authoritative guide to CORS (Cross-Origin Resource Sharing . . . - Moesif
An in-depth guide to Cross-Origin Resource Sharing (CORS) for REST APIs, on how CORS works, and common pitfalls especially around security What is CORS? CORS is a security mechanism that allows a web page from one domain or Origin to access a resource with a different domain (a cross-domain request)
- Bypassing SameSite cookie restrictions | Web Security Academy - PortSwigger
SameSite is a browser security mechanism that determines when a website's cookies are included in requests originating from other websites SameSite cookie restrictions provide partial protection against a variety of cross-site attacks, including CSRF, cross-site leaks, and some CORS exploits
- Configuring cross-origin resource sharing for single-page applications
You want to allow cross-origin resource sharing (CORS) for the SPA The BIG-IP ASM system supports SPA and AJAX applications in the DoS protection profile by injecting JavaScript code into client responses and generating custom HTTP headers
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