w3c/webappsec-cspee Issues

Last updated Apr 27, 2026, 8:11:53 AM UTC.

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Issue Title Within SLO On maintainers' plates for Time left Time past SLO
#1 How is CSPEE recursive?
#2 Embedded: make clear that servers MUST respond with a CSP or Allow-CSP-From header, <meta> CSP's are not allowed.
#3 Embedding-CSP header
#4 Embedded: consider other contexts other than iframe
#5 Clarify what is the threat model for embedded enforcement
#6 Embedded Enforcement: Invalid required csp attribute on iframe
#7 Embedded: Think about the implications of allowing injected `csp` with reporting.
#11 Cancel navigation on invalid required CSP attribute
#12 Should we restrict CSPEE to secure schemes?
#14 Wildcard hosts and CSP source intersection
#16 Meaning of 'self' in csp attribute
#17 Rewrite source expression intersection without using similarity
#31 Broken links in Content Security Policy: Embedded Enforcement