OWASPASVS 5.0 requirement

ASVS-V3.5.4 Separate applications are hosted on different hostnames to leverage the restrictions provided by same-origin policy, including how…

L2 Published 2025 Official page ↗
Standard
OWASP ASVS 5.0
Chapter
V3 Web Frontend Security
Section
V3.5 Browser Origin Separation
Level
L2 (requirement applies from this verification level up)

Requirement

Verify that separate applications are hosted on different hostnames to leverage the restrictions provided by same-origin policy, including how documents or scripts loaded by one origin can interact with resources from another origin and hostname-based restrictions on cookies.