diff --git a/public/tinymce/plugins/leaui_mindmap/mindmap/main.js b/public/tinymce/plugins/leaui_mindmap/mindmap/main.js
index 1ac2be8ee..855c982ae 100644
--- a/public/tinymce/plugins/leaui_mindmap/mindmap/main.js
+++ b/public/tinymce/plugins/leaui_mindmap/mindmap/main.js
@@ -7747,6 +7747,11 @@ function ajaxConvert( s, response, jqXHR, isSuccess ) {
 			// Convert response if prev dataType is non-auto and differs from current
 			} else if ( prev !== "*" && prev !== current ) {
 
+				// Mitigate possible XSS vulnerability (gh-2432)
+				if ( s.crossDomain && current === "script" ) {
+					continue;
+				}
+
 				// Seek a direct converter
 				conv = converters[ prev + " " + current ] || converters[ "* " + current ];