How do CORS, CSRF, and CSP work together?
CORS allows legitimate cross-origin API calls. CSRF prevents attackers from tricking users into unwanted requests. CSP prevents XSS by restricting resource sources. Together, they form a layered security model: API access (CORS), request authenticity (CSRF), and content safety (CSP).
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More FAQs in CORS vs CSRF vs CSP: What's the Difference?
CORS allows servers to opt-in to cross-origin requests (enable legitimate API calls). CSRF is an attack where a malicious site tricks a user into making unwanted authenticated requests. CORS enables; CSRF attacks. They are different security concerns.
CORS controls cross-origin API requests (server opt-in via headers). CSP controls what resources a page can load (prevent XSS via Content-Security-Policy header). CORS is about API access; CSP is about content loading.
No. CORS is about allowing cross-origin requests, not preventing them. CSRF prevention requires: SameSite cookies, CSRF tokens, or checking the Origin/Referer header on the server. CORS and CSRF are separate security concerns.
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