diff --git a/Sources/BrowserServicesKit/ContentScopeScript/SpecialPagesUserScript.swift b/Sources/BrowserServicesKit/ContentScopeScript/SpecialPagesUserScript.swift
index 77d94745a..455f177de 100644
--- a/Sources/BrowserServicesKit/ContentScopeScript/SpecialPagesUserScript.swift
+++ b/Sources/BrowserServicesKit/ContentScopeScript/SpecialPagesUserScript.swift
@@ -48,6 +48,19 @@ extension SpecialPagesUserScript: WKScriptMessageHandlerWithReply {
 // MARK: - Fallback for macOS 10.15
 extension SpecialPagesUserScript: WKScriptMessageHandler {
     public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
-        // insecure messaging not required in special pages
+        let action = broker.messageHandlerFor(message);
+
+        // we only accept messages where we can encrypt the response
+        guard case .respondEncrypted(_, _, let params) = action else {
+            return
+        }
+
+        do {
+            try broker.execute(action: action, original: message) { [weak broker] json in
+                broker?.encryptMessageResponse(response: json, params: params, message: message)
+            }
+        } catch let error {
+            // there's no way of communicating this
+        }
     }
 }