diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index aaff976eb550..7fdf535ad856 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -6061,7 +6061,7 @@ nsBrowserAccess.prototype = {
     aName = "",
     aCsp = null,
     aSkipLoad = false,
-    aForceLoadInBackground = false
+    aWhere = undefined
   ) {
     let win, needToFocusWin;
 
@@ -6084,11 +6084,20 @@ nsBrowserAccess.prototype = {
       return win.gBrowser.selectedBrowser;
     }
 
-    let loadInBackground = Services.prefs.getBoolPref(
-      "browser.tabs.loadDivertedInBackground"
-    );
-    if (aForceLoadInBackground) {
+    // OPEN_NEWTAB_BACKGROUND and OPEN_NEWTAB_FOREGROUND are used by
+    // `window.open` with modifiers.
+    // The last case is OPEN_NEWTAB, which is used by:
+    //   * a link with `target="_blank"`, without modifiers
+    //   * `window.open` without features, without modifiers
+    let loadInBackground;
+    if (aWhere === Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND) {
       loadInBackground = true;
+    } else if (aWhere === Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_FOREGROUND) {
+      loadInBackground = false;
+    } else {
+      loadInBackground = Services.prefs.getBoolPref(
+        "browser.tabs.loadDivertedInBackground"
+      );
     }
 
     let tab = win.gBrowser.addTab(aURI ? aURI.spec : "about:blank", {
@@ -6265,7 +6274,8 @@ nsBrowserAccess.prototype = {
         }
         break;
       case Ci.nsIBrowserDOMWindow.OPEN_NEWTAB:
-      case Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND: {
+      case Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND:
+      case Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_FOREGROUND: {
         // If we have an opener, that means that the caller is expecting access
         // to the nsIDOMWindow of the opened tab right away. For e10s windows,
         // this means forcing the newly opened browser to be non-remote so that
@@ -6276,8 +6286,6 @@ nsBrowserAccess.prototype = {
         let userContextId = aOpenWindowInfo
           ? aOpenWindowInfo.originAttributes.userContextId
           : openingUserContextId;
-        let forceLoadInBackground =
-          aWhere == Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND;
         let browser = this._openURIInNewTab(
           aURI,
           referrerInfo,
@@ -6291,7 +6299,7 @@ nsBrowserAccess.prototype = {
           "",
           aCsp,
           aSkipLoad,
-          forceLoadInBackground
+          aWhere
         );
         if (browser) {
           browsingContext = browser.browsingContext;
@@ -6392,7 +6400,8 @@ nsBrowserAccess.prototype = {
 
       if (
         aWhere != Ci.nsIBrowserDOMWindow.OPEN_NEWTAB &&
-        aWhere != Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND
+        aWhere != Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND &&
+        aWhere != Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_FOREGROUND
       ) {
         dump("Error: openURIInFrame can only open in new tabs or print");
         return null;
@@ -6406,9 +6415,6 @@ nsBrowserAccess.prototype = {
           ? aParams.openerOriginAttributes.userContextId
           : Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID;
 
-      var forceLoadInBackground =
-        aWhere == Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND;
-
       return this._openURIInNewTab(
         aURI,
         aParams.referrerInfo,
@@ -6422,7 +6428,7 @@ nsBrowserAccess.prototype = {
         aName,
         aParams.csp,
         aSkipLoad,
-        forceLoadInBackground
+        aWhere
       );
     },
 
diff --git a/browser/base/content/test/tabs/browser_openURI_background.js b/browser/base/content/test/tabs/browser_openURI_background.js
index 53e329dd8f79..d36a42302635 100644
--- a/browser/base/content/test/tabs/browser_openURI_background.js
+++ b/browser/base/content/test/tabs/browser_openURI_background.js
@@ -11,6 +11,7 @@ add_task(async function () {
   const tests = [
     ["OPEN_NEWTAB", false],
     ["OPEN_NEWTAB_BACKGROUND", true],
+    ["OPEN_NEWTAB_FOREGROUND", false],
   ];
 
   for (const [flag, isBackground] of tests) {
diff --git a/dom/interfaces/base/nsIBrowserDOMWindow.idl b/dom/interfaces/base/nsIBrowserDOMWindow.idl
index d9b8e540b1da..0a71a20a8b60 100644
--- a/dom/interfaces/base/nsIBrowserDOMWindow.idl
+++ b/dom/interfaces/base/nsIBrowserDOMWindow.idl
@@ -65,6 +65,8 @@ interface nsIBrowserDOMWindow : nsISupports
   /**
    * Open in a new content tab in the toplevel browser window corresponding to
    * this nsIBrowserDOMWindow.
+   * Use browser.tabs.loadDivertedInBackground pref to choose whether to open
+   * in background tab or foreground tab.
    */
   const short OPEN_NEWTAB        = 3;
   /**
@@ -76,6 +78,11 @@ interface nsIBrowserDOMWindow : nsISupports
    * corresponding to this nsIBrowserDOMWindow.
    */
   const short OPEN_NEWTAB_BACKGROUND = 5;
+  /**
+   * Open in a new foreground content tab in the toplevel browser window
+   * corresponding to this nsIBrowserDOMWindow.
+   */
+  const short OPEN_NEWTAB_FOREGROUND = 6;
 
   /**
    * Values for createContentWindow's and openURI's aFlags parameter.
diff --git a/dom/ipc/ContentParent.cpp b/dom/ipc/ContentParent.cpp
index c6f00b53b822..f60676ff092a 100644
--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -5592,6 +5592,7 @@ mozilla::ipc::IPCResult ContentParent::CommonCreateWindow(
 
   MOZ_ASSERT(aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWTAB ||
              aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND ||
+             aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_FOREGROUND ||
              aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWWINDOW ||
              aOpenLocation == nsIBrowserDOMWindow::OPEN_PRINT_BROWSER);
 
@@ -5602,6 +5603,7 @@ mozilla::ipc::IPCResult ContentParent::CommonCreateWindow(
 
   if (aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWTAB ||
       aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND ||
+      aOpenLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_FOREGROUND ||
       aOpenLocation == nsIBrowserDOMWindow::OPEN_PRINT_BROWSER) {
     RefPtr<Element> openerElement = do_QueryObject(frame);
 
@@ -5830,7 +5832,8 @@ mozilla::ipc::IPCResult ContentParent::RecvCreateWindow(
   // do this work.
   MOZ_ALWAYS_SUCCEEDS(newBC->SetHasSiblings(
       openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB ||
-      openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND));
+      openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND ||
+      openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB_FOREGROUND));
 
   newTab->SwapFrameScriptsFrom(cwi.frameScripts());
   newTab->MaybeShowFrame();
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoSession.java b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoSession.java
index 02bb399dbfa1..60e5f64dae4a 100644
--- a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoSession.java
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoSession.java
@@ -652,7 +652,7 @@ public class GeckoSession {
             case 0: // OPEN_DEFAULTWINDOW
             case 1: // OPEN_CURRENTWINDOW
               return NavigationDelegate.TARGET_WINDOW_CURRENT;
-            default: // OPEN_NEWWINDOW, OPEN_NEWTAB, OPEN_NEWTAB_BACKGROUND
+            default: // OPEN_NEWWINDOW, OPEN_NEWTAB, OPEN_NEWTAB_BACKGROUND, OPEN_NEWTAB_FOREGROUND
               return NavigationDelegate.TARGET_WINDOW_NEW;
           }
         }
@@ -5030,7 +5030,7 @@ public class GeckoSession {
           case 0: // OPEN_DEFAULTWINDOW
           case 1: // OPEN_CURRENTWINDOW
             return TARGET_WINDOW_CURRENT;
-          default: // OPEN_NEWWINDOW, OPEN_NEWTAB, OPEN_NEWTAB_BACKGROUND
+          default: // OPEN_NEWWINDOW, OPEN_NEWTAB, OPEN_NEWTAB_BACKGROUND, OPEN_NEWTAB_FOREGROUND
             return TARGET_WINDOW_NEW;
         }
       }
diff --git a/mobile/android/modules/geckoview/GeckoViewNavigation.sys.mjs b/mobile/android/modules/geckoview/GeckoViewNavigation.sys.mjs
index 3d84b1d17653..bb185adc19f9 100644
--- a/mobile/android/modules/geckoview/GeckoViewNavigation.sys.mjs
+++ b/mobile/android/modules/geckoview/GeckoViewNavigation.sys.mjs
@@ -490,7 +490,8 @@ export class GeckoViewNavigation extends GeckoViewModule {
     if (
       where === Ci.nsIBrowserDOMWindow.OPEN_NEWWINDOW ||
       where === Ci.nsIBrowserDOMWindow.OPEN_NEWTAB ||
-      where === Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND
+      where === Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_BACKGROUND ||
+      where === Ci.nsIBrowserDOMWindow.OPEN_NEWTAB_FOREGROUND
     ) {
       browser = this.handleNewSession(uri, openWindowInfo, where, flags, name);
     }
diff --git a/netwerk/ipc/DocumentLoadListener.cpp b/netwerk/ipc/DocumentLoadListener.cpp
index ca1f59e8847b..b10e5f28d6b4 100644
--- a/netwerk/ipc/DocumentLoadListener.cpp
+++ b/netwerk/ipc/DocumentLoadListener.cpp
@@ -1657,8 +1657,9 @@ static int32_t GetWhereToOpen(nsIChannel* aChannel, bool aIsDocumentLoad) {
       where == nsIBrowserDOMWindow::OPEN_NEWTAB) {
     return where;
   }
-  // NOTE: nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND is not allowed as a pref
-  //       value.
+  // NOTE: nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND and
+  //       nsIBrowserDOMWindow::OPEN_NEWTAB_FOREGROUND are not allowed as pref
+  //       values.
   return nsIBrowserDOMWindow::OPEN_NEWTAB;
 }
 
@@ -1751,6 +1752,7 @@ static RefPtr<dom::BrowsingContextCallbackReceivedPromise> SwitchToNewTab(
     CanonicalBrowsingContext* aLoadingBrowsingContext, int32_t aWhere) {
   MOZ_ASSERT(aWhere == nsIBrowserDOMWindow::OPEN_NEWTAB ||
                  aWhere == nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND ||
+                 aWhere == nsIBrowserDOMWindow::OPEN_NEWTAB_FOREGROUND ||
                  aWhere == nsIBrowserDOMWindow::OPEN_NEWWINDOW,
              "Unsupported open location");
 
diff --git a/xpfe/appshell/nsContentTreeOwner.cpp b/xpfe/appshell/nsContentTreeOwner.cpp
index 72fa807bbace..f380d7d59f72 100644
--- a/xpfe/appshell/nsContentTreeOwner.cpp
+++ b/xpfe/appshell/nsContentTreeOwner.cpp
@@ -544,6 +544,7 @@ nsContentTreeOwner::ProvideWindow(
 
   if (openLocation != nsIBrowserDOMWindow::OPEN_NEWTAB &&
       openLocation != nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND &&
+      openLocation != nsIBrowserDOMWindow::OPEN_NEWTAB_FOREGROUND &&
       openLocation != nsIBrowserDOMWindow::OPEN_CURRENTWINDOW &&
       openLocation != nsIBrowserDOMWindow::OPEN_PRINT_BROWSER) {
     // Just open a window normally