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fix(security): use a more restrictive CSP for untrusted content

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This commit is contained in:
Frédéric Guillot 2025-03-29 19:43:06 -07:00
parent f57949c9a2
commit cb695e653a
4 changed files with 18 additions and 4 deletions
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2
internal/ui/feed_icon.go
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@ -26,7 +26,7 @@ func (h *handler) showFeedIcon(w http.ResponseWriter, r *http.Request) {
}
response.New(w, r).WithCaching(icon.Hash, 72*time.Hour, func(b *response.Builder) {
b.WithHeader("Content-Security-Policy", `sandbox`)
b.WithHeader("Content-Security-Policy", response.ContentSecurityPolicyForUntrustedContent)
b.WithHeader("Content-Type", icon.MimeType)
b.WithBody(icon.Content)
if icon.MimeType != "image/svg+xml" {