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-rw-r--r--dom/base/nsContentSink.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/dom/base/nsContentSink.cpp b/dom/base/nsContentSink.cpp
index 3d6f069d2..85b3d07bf 100644
--- a/dom/base/nsContentSink.cpp
+++ b/dom/base/nsContentSink.cpp
@@ -305,6 +305,11 @@ nsContentSink::ProcessHeaderData(nsIAtom* aHeader, const nsAString& aValue,
mDocument->SetHeaderData(aHeader, aValue);
if (aHeader == nsGkAtoms::setcookie) {
+ // Don't allow setting cookies in cookie-averse documents.
+ if (mDocument->IsCookieAverse()) {
+ return NS_OK;
+ }
+
// Note: Necko already handles cookies set via the channel. We can't just
// call SetCookie on the channel because we want to do some security checks
// here.