Merge pull request #4802 in SW/shopware from sw-18153/5.2/emotion-ajax-ddos-fix to 5.2

* commit 'e56e17cb43588aafab2bfdb407dccd35b8feda6a':
  SW-18153 - Prevents a callback function which executes an ajax request from being called indefinitely

Author: Stephan Pohl

UPGRADE-5.2.md

@@ -2,6 +2,9 @@
 
 This changelog references changes done in Shopware 5.2 patch versions.
 
+## 5.2.23
+* Added conditional statement in `themes/Frontend/Responsive/frontend/_public/src/js/jquery.product-slider.js` to prevent the plugin from executing an ajax request indefinitely when no product data is received
+
 ## 5.2.22
 * Fixed the picture implementation of the `box-emotion.tpl` to load the correct image sizes
 * Added new event `plugin/swAutoSubmit/onChangeSelection` in `themes/Frontend/Responsive/frontend/_public/src/js/jquery.auto-submit.js`

themes/Frontend/Responsive/frontend/_public/src/js/jquery.product-slider.js

@@ -649,7 +649,7 @@
 
                     $.publish('plugin/swProductSlider/onLoadItemsSuccess', [ me, response ]);
 
-                    if (typeof callback === 'function') {
+                    if (typeof callback === 'function' && me.itemsCount > 0) {
                         callback.call(me, response);
                     }
                 }