--- a/browser/base/content/browser-menubar.inc
+++ b/browser/base/content/browser-menubar.inc
@@ -605,17 +605,17 @@
                           label="&helpSafeMode.label;"
                           stopaccesskey="&helpSafeMode.stop.accesskey;"
                           stoplabel="&helpSafeMode.stop.label;"
                           oncommand="safeModeRestart();"/>
                 <menuitem id="menu_HelpPopup_reportPhishingtoolmenu"
                           label="&reportDeceptiveSiteMenu.title;"
                           accesskey="&reportDeceptiveSiteMenu.accesskey;"
                           observes="reportPhishingBroadcaster"
-                          oncommand="openUILink(gSafeBrowsing.getReportURL('Phish'), event);"
+                          oncommand="openUILink(gSafeBrowsing.getReportURL('Phish'), event, {triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({})});"
                           onclick="checkForMiddleClick(this, event);"
                           hidden="true"/>
                 <menuitem id="menu_HelpPopup_reportPhishingErrortoolmenu"
                           label="&safeb.palm.notdeceptive.label;"
                           accesskey="&safeb.palm.notdeceptive.accesskey;"
                           observes="reportPhishingErrorBroadcaster"
                           oncommand="ReportFalseDeceptiveSite();"
                           onclick="checkForMiddleClick(this, event);"

--- a/browser/base/content/pageinfo/feeds.js
+++ b/browser/base/content/pageinfo/feeds.js
@@ -40,17 +40,17 @@ function addRow(name, type, url) {
   const urlContainer = document.createElement("hbox");
   urlContainer.setAttribute("flex", "1");
   bottom.appendChild(urlContainer);
 
   const urlLabel = document.createElement("label");
   urlLabel.className = "text-link";
   urlLabel.textContent = url;
   urlLabel.setAttribute("tooltiptext", url);
-  urlLabel.addEventListener("click", ev => openUILink(this.value, ev));
+  urlLabel.addEventListener("click", ev => openUILink(this.value, ev, {triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({})}));
   urlContainer.appendChild(urlLabel);
 
   const subscribeButton = document.createElement("button");
   subscribeButton.className = "feed-subscribe";
   subscribeButton.addEventListener("click",
     () => openWebLinkIn(url, "current", { ignoreAlt: true }));
   subscribeButton.setAttribute("label", gBundle.getString("feedSubscribe"));
   subscribeButton.setAttribute("accesskey", gBundle.getString("feedSubscribe.accesskey"));

--- a/browser/base/content/test/general/browser_utilityOverlay.js
+++ b/browser/base/content/test/general/browser_utilityOverlay.js
@@ -102,10 +102,10 @@ function test_openNewTabWith() {
 function test_openUILink() {
   let tab = gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, "about:blank");
   BrowserTestUtils.browserLoaded(tab.linkedBrowser).then(() => {
     is(tab.linkedBrowser.currentURI.spec, "http://example.org/", "example.org loaded");
     gBrowser.removeCurrentTab();
     runNextTest();
   });
 
-  openUILink("http://example.org/"); // defaults to "current"
+  openUILink("http://example.org/", null, {triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({})}); // defaults to "current"
 }

--- a/browser/base/content/utilityOverlay.js
+++ b/browser/base/content/utilityOverlay.js
@@ -115,22 +115,17 @@ function openUILink(url, event, aIgnoreB
       postData: aPostData,
       referrerURI: aReferrerURI,
       referrerPolicy: Ci.nsIHttpChannel.REFERRER_POLICY_UNSET,
       initiatingDoc: event ? event.target.ownerDocument : null,
     };
   }
 
   if (!params.triggeringPrincipal) {
-    let dt = event ? event.dataTransfer : null;
-    if (!!dt && dt.mozSourceNode) {
-      params.triggeringPrincipal = dt.mozSourceNode.nodePrincipal;
-    } else {
-      params.triggeringPrincipal = Services.scriptSecurityManager.createNullPrincipal({});
-    }
+    throw new Error("Required argument triggeringPrincipal missing within openUILink");
   }
 
   let where = whereToOpenLink(event, aIgnoreButton, aIgnoreAlt);
   openUILinkIn(url, where, params);
 }
 
 
 /**