diff --git a/browser/actors/ClickHandlerChild.sys.mjs b/browser/actors/ClickHandlerChild.sys.mjs
index ab0da34242f2..c08b599856fe 100644
--- a/browser/actors/ClickHandlerChild.sys.mjs
+++ b/browser/actors/ClickHandlerChild.sys.mjs
@@ -10,13 +10,7 @@ const lazy = {};
 ChromeUtils.defineESModuleGetters(lazy, {
   BrowserUtils: "resource://gre/modules/BrowserUtils.sys.mjs",
   E10SUtils: "resource://gre/modules/E10SUtils.sys.mjs",
-  PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
 });
-ChromeUtils.defineModuleGetter(
-  lazy,
-  "WebNavigationFrames",
-  "resource://gre/modules/WebNavigationFrames.jsm"
-);
 
 export class MiddleMousePasteHandlerChild extends JSWindowActorChild {
   handleEvent(clickEvent) {
@@ -107,7 +101,6 @@ export class ClickHandlerChild extends JSWindowActorChild {
       referrerInfo.initWithDocument(ownerDoc);
     }
     referrerInfo = lazy.E10SUtils.serializeReferrerInfo(referrerInfo);
-    let frameID = lazy.WebNavigationFrames.getFrameId(ownerDoc.defaultView);
 
     let json = {
       button: event.button,
@@ -117,14 +110,8 @@ export class ClickHandlerChild extends JSWindowActorChild {
       altKey: event.altKey,
       href: null,
       title: null,
-      frameID,
-      triggeringPrincipal: principal,
       csp,
       referrerInfo,
-      originAttributes: principal ? principal.originAttributes : {},
-      isContentWindowPrivate: lazy.PrivateBrowsingUtils.isContentWindowPrivate(
-        ownerDoc.defaultView
-      ),
     };
 
     if (href && !isFromMiddleMousePasteHandler) {
@@ -162,10 +149,6 @@ export class ClickHandlerChild extends JSWindowActorChild {
         json.title = node.getAttribute("title");
       }
 
-      json.originPrincipal = ownerDoc.nodePrincipal;
-      json.originStoragePrincipal = ownerDoc.effectiveStoragePrincipal;
-      json.triggeringPrincipal = ownerDoc.nodePrincipal;
-
       if (
         (ownerDoc.URL === "about:newtab" || ownerDoc.URL === "about:home") &&
         node.dataset.isSponsoredLink === "true"
diff --git a/browser/actors/ClickHandlerParent.sys.mjs b/browser/actors/ClickHandlerParent.sys.mjs
index 28f3c62586a9..e3ae3a02aacd 100644
--- a/browser/actors/ClickHandlerParent.sys.mjs
+++ b/browser/actors/ClickHandlerParent.sys.mjs
@@ -10,9 +10,26 @@ ChromeUtils.defineESModuleGetters(lazy, {
   PlacesUIUtils: "resource:///modules/PlacesUIUtils.sys.mjs",
   PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
 });
+ChromeUtils.defineModuleGetter(
+  lazy,
+  "WebNavigationFrames",
+  "resource://gre/modules/WebNavigationFrames.jsm"
+);
 
 let gContentClickListeners = new Set();
 
+// Fill in fields which are not sent by the content process for the click event
+// based on known data in the parent process.
+function fillInClickEvent(actor, data) {
+  const wgp = actor.manager;
+  data.frameID = lazy.WebNavigationFrames.getFrameId(wgp.browsingContext);
+  data.triggeringPrincipal = wgp.documentPrincipal;
+  data.originPrincipal = wgp.documentPrincipal;
+  data.originStoragePrincipal = wgp.documentStoragePrincipal;
+  data.originAttributes = wgp.documentPrincipal?.originAttributes ?? {};
+  data.isContentWindowPrivate = wgp.browsingContext.usePrivateBrowsing;
+}
+
 export class MiddleMousePasteHandlerParent extends JSWindowActorParent {
   receiveMessage(message) {
     if (message.name == "MiddleClickPaste") {
@@ -24,6 +41,7 @@ export class MiddleMousePasteHandlerParent extends JSWindowActorParent {
         // Just bail.
         return;
       }
+      fillInClickEvent(this, message.data);
       browser.ownerGlobal.middleMousePaste(message.data);
     }
   }
@@ -41,6 +59,7 @@ export class ClickHandlerParent extends JSWindowActorParent {
   receiveMessage(message) {
     switch (message.name) {
       case "Content:Click":
+        fillInClickEvent(this, message.data);
         this.contentAreaClick(message.data);
         this.notifyClickListeners(message.data);
         break;