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-rw-r--r--docshell/base/nsDocShell.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index 8f924567c..b3e26da33 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -5689,6 +5689,11 @@ nsDocShell::LoadPage(nsISupports* aPageDescriptor, uint32_t aDisplayType)
}
shEntry->SetURI(newUri);
shEntry->SetOriginalURI(nullptr);
+ // shEntry's current triggering principal is whoever loaded that page initially.
+ // But now we're doing another load of the page, via an API that is only exposed
+ // to system code. The triggering principal for this load should be the system
+ // principal.
+ shEntry->SetTriggeringPrincipal(nsContentUtils::GetSystemPrincipal());
}
rv = LoadHistoryEntry(shEntry, LOAD_HISTORY);