Resolve exam images relative to Joomla root

components/com_testquestions/tmpl/questions/default.php

@@ -3,6 +3,17 @@
 defined('_JEXEC') or die;
 
 use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Uri\Uri;
+
+$resolveImageUrl = static function ($path) {
+    $path = trim((string) $path);
+
+    if ($path === '' || preg_match('#^https?://#i', $path)) {
+        return $path;
+    }
+
+    return Uri::root() . ltrim($path, '/');
+};
 ?>
 <div class="com-testquestions egzamin">
     <h1><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS'); ?></h1>
@@ -43,7 +54,7 @@ use Joomla\CMS\HTML\HTMLHelper;
                 </div>
             </div>
             <?php if ($item->image) : ?>
-                <div class="foto_pyt"><img src="<?php echo htmlspecialchars($item->image, ENT_QUOTES, 'UTF-8'); ?>" alt="" loading="lazy"></div>
+                <div class="foto_pyt"><img src="<?php echo htmlspecialchars($resolveImageUrl($item->image), ENT_QUOTES, 'UTF-8'); ?>" alt="" loading="lazy"></div>
             <?php endif; ?>
             <?php if ($item->question_type === 'open') : ?>
                 <div class="<?php echo $this->results ? ($this->results['items'][$item->id]['correct'] ? 'odpup' : 'odpu') : 'odp'; ?>">