diff --git a/src/plugins/plugin.text_selection.js b/src/plugins/plugin.text_selection.js
index 272c27261..54b0d1466 100644
--- a/src/plugins/plugin.text_selection.js
+++ b/src/plugins/plugin.text_selection.js
@@ -89,6 +89,9 @@ export class TextSelectionPlugin {
       url: applyVariables(this.options.fullDjvuXmlUrl, this.optionVariables),
       dataType: this.options.jsonp ? "jsonp" : "html",
       cache: true,
+      xhrFields: {
+        withCredentials: window.br.protected,
+      },
       error: (e) => undefined,
     }).then((res) => {
       try {
@@ -115,6 +118,9 @@ export class TextSelectionPlugin {
         url: applyVariables(this.options.singlePageDjvuXmlUrl, this.optionVariables, { pageIndex: index }),
         dataType: this.options.jsonp ? "jsonp" : "html",
         cache: true,
+        xhrFields: {
+          withCredentials: window.br.protected,
+        },
         error: (e) => undefined,
       });
       try {
diff --git a/src/plugins/search/plugin.search.js b/src/plugins/search/plugin.search.js
index 4d4ac105d..dccf452d4 100644
--- a/src/plugins/search/plugin.search.js
+++ b/src/plugins/search/plugin.search.js
@@ -223,6 +223,9 @@ BookReader.prototype.search = async function(term = '', overrides = {}) {
   callSearchResultsCallback(await $.ajax({
     url: url,
     cache: true,
+    xhrFields: {
+      withCredentials: this.protected,
+    },
     beforeSend: xhr => { this.searchXHR = xhr; },
   }));
 };
diff --git a/src/plugins/tts/PageChunk.js b/src/plugins/tts/PageChunk.js
index 001f97986..f8657e0e0 100644
--- a/src/plugins/tts/PageChunk.js
+++ b/src/plugins/tts/PageChunk.js
@@ -26,6 +26,9 @@ export default class PageChunk {
       type: 'GET',
       url: `https://${server}/BookReader/BookReaderGetTextWrapper.php`,
       cache: true,
+      xhrFields: {
+        withCredentials: window.br.protected,
+      },
       data: {
         path: `${bookPath}_djvu.xml`,
         page: leafIndex,
diff --git a/tests/jest/plugins/plugin.text_selection.test.js b/tests/jest/plugins/plugin.text_selection.test.js
index a0b995364..95a2bfab9 100644
--- a/tests/jest/plugins/plugin.text_selection.test.js
+++ b/tests/jest/plugins/plugin.text_selection.test.js
@@ -87,7 +87,7 @@ const FAKE_XML_EMPTY = '';
 
 describe("Generic tests", () => {
   document.body.innerHTML = '<div id="BookReader">';
-  const br = new BookreaderWithTextSelection({
+  const br = window.br = new BookreaderWithTextSelection({
     data: [
       [
         { width: 800, height: 1200,