--- a/browser/base/content/nsContextMenu.js
+++ b/browser/base/content/nsContextMenu.js
@@ -1334,16 +1334,17 @@ class nsContextMenu {
     urlSecurityCheck(
       this.bgImageURL,
       this.principal,
       Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT
     );
 
     openUILink(this.bgImageURL, e, {
       referrerInfo: this.contentData.referrerInfo,
+      forceAllowDataURI: true,
       triggeringPrincipal: this.principal,
       csp: this.csp,
     });
   }
 
   setDesktopBackground() {
     if (!Services.policies.isAllowed("setDesktopBackground")) {
       return;

--- a/dom/security/test/general/browser.ini
+++ b/dom/security/test/general/browser.ini
@@ -8,16 +8,17 @@ support-files =
 support-files =
   file_data_download.html
 [browser_test_data_text_csv.js]
 support-files =
   file_data_text_csv.html
 [browser_test_view_image_data_navigation.js]
 support-files =
   file_view_image_data_navigation.html
+  file_view_bg_image_data_navigation.html
 [browser_test_FTP_console_warning.js]
 support-files =
   file_FTP_console_warning.html
 [browser_test_assert_systemprincipal_documents.js]
 skip-if = !nightly_build
 support-files =
   file_assert_systemprincipal_documents.html
   file_assert_systemprincipal_documents_iframe.html

--- a/dom/security/test/general/browser_test_view_image_data_navigation.js
+++ b/dom/security/test/general/browser_test_view_image_data_navigation.js
@@ -1,18 +1,18 @@
 "use strict";
 
-const TEST_PAGE =
-  getRootDirectory(gTestPath) + "file_view_image_data_navigation.html";
-
 add_task(async function test_principal_right_click_open_link_in_new_tab() {
   await SpecialPowers.pushPrefEnv({
     set: [["security.data_uri.block_toplevel_data_uri_navigations", true]],
   });
 
+  const TEST_PAGE =
+    getRootDirectory(gTestPath) + "file_view_image_data_navigation.html";
+
   await BrowserTestUtils.withNewTab(TEST_PAGE, async function(browser) {
     let loadPromise = BrowserTestUtils.browserLoaded(
       gBrowser.selectedBrowser,
       true
     );
 
     // simulate right-click->view-image
     BrowserTestUtils.waitForEvent(document, "popupshown", false, event => {
@@ -23,16 +23,51 @@ add_task(async function test_principal_r
     });
     BrowserTestUtils.synthesizeMouseAtCenter(
       "#testimage",
       { type: "contextmenu", button: 2 },
       gBrowser.selectedBrowser
     );
     await loadPromise;
 
-    await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function() {
-      ok(
-        content.document.location.toString().startsWith("data:image/svg+xml;"),
-        "data:image/svg navigation allowed through right-click view-image"
-      );
-    });
+    let spec = gBrowser.selectedBrowser.currentURI.spec;
+    ok(
+      spec.startsWith("data:image/svg+xml;"),
+      "data:image/svg navigation allowed through right-click view-image"
+    );
   });
 });
+
+add_task(async function test_right_click_open_bg_image() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["security.data_uri.block_toplevel_data_uri_navigations", true]],
+  });
+
+  const TEST_PAGE =
+    getRootDirectory(gTestPath) + "file_view_bg_image_data_navigation.html";
+
+  await BrowserTestUtils.withNewTab(TEST_PAGE, async function(browser) {
+    let loadPromise = BrowserTestUtils.browserLoaded(
+      gBrowser.selectedBrowser,
+      true
+    );
+
+    // simulate right-click->view-bg-image
+    BrowserTestUtils.waitForEvent(document, "popupshown", false, event => {
+      // These are operations that must be executed synchronously with the event.
+      document.getElementById("context-viewbgimage").doCommand();
+      event.target.hidePopup();
+      return true;
+    });
+    BrowserTestUtils.synthesizeMouseAtCenter(
+      "#testbody",
+      { type: "contextmenu", button: 2 },
+      gBrowser.selectedBrowser
+    );
+    await loadPromise;
+
+    let spec = gBrowser.selectedBrowser.currentURI.spec;
+    ok(
+      spec.startsWith("data:image/svg+xml;"),
+      "data:image/svg navigation allowed through right-click view-bg-image"
+    );
+  });
+});

new file mode 100644
--- /dev/null
+++ b/dom/security/test/general/file_view_bg_image_data_navigation.html
@@ -0,0 +1,16 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Bug 1658244: Test navigation for right-click view-bg-image on data:image/svg</title>
+<style>
+body {
+    background: fixed #222 url("data:image/svg+xml;base64,PHN2ZyBoZWlnaHQ9IjUwMCIgd2lkdGg9IjUwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxuczp4bGluaz0iaHR0cDovL3d3dy53My5vcmcvMTk5OS94bGluayI+PGZpbHRlciBpZD0iYSI+PGZlVHVyYnVsZW5jZSBiYXNlRnJlcXVlbmN5PSIuOSIgbnVtT2N0YXZlcz0iMTAiIHN0aXRjaFRpbGVzPSJzdGl0Y2giIHR5cGU9ImZyYWN0YWxOb2lzZSIvPjwvZmlsdGVyPjxwYXRoIGQ9Im0wIDBoNTAwdjUwMGgtNTAweiIgZmlsbD0iIzExMSIvPjxwYXRoIGQ9Im0wIDBoNTAwdjUwMGgtNTAweiIgZmlsdGVyPSJ1cmwoI2EpIiBvcGFjaXR5PSIuMiIvPjwvc3ZnPgo=");
+    color: #ccc;
+}
+</style>
+</head>
+<body id="testbody">
+  This page has an inline SVG image as a background.
+</body>
+</html>