- #9576: Patch by TDobes, only allow the user to choose between enabled themes.

includes/theme.inc

@@ -43,7 +43,7 @@ function init_theme() {
 
   // Allow modules to override the present theme... only select custom theme
   // if it is available in the list of enabled themes.
-  $theme = $custom_theme && $themes[$custom_theme]->status ? $custom_theme : $theme;
+  $theme = $custom_theme && $themes[$custom_theme] ? $custom_theme : $theme;
 
   // Store the identifier for retrieving theme settings with.
   $theme_key = $theme;

modules/system.module

@@ -113,7 +113,16 @@ function system_menu() {
  */
 function system_user($type, $edit, &$user, $category = NULL) {
   if ($type == 'form' && $category == 'account') {
-    if (count($themes = list_themes()) > 1) {
+    $allthemes = list_themes();
+
+    // list only active themes
+    foreach ($allthemes as $key => $theme) {
+      if ($theme->status) {
+        $themes[$key] = $theme;
+      }
+    }
+
+    if (count($themes) > 1) {
       $rows = array();
       foreach ($themes as $key => $value) {
         $row = array();

modules/system/system.module

@@ -113,7 +113,16 @@ function system_menu() {
  */
 function system_user($type, $edit, &$user, $category = NULL) {
   if ($type == 'form' && $category == 'account') {
-    if (count($themes = list_themes()) > 1) {
+    $allthemes = list_themes();
+
+    // list only active themes
+    foreach ($allthemes as $key => $theme) {
+      if ($theme->status) {
+        $themes[$key] = $theme;
+      }
+    }
+
+    if (count($themes) > 1) {
       $rows = array();
       foreach ($themes as $key => $value) {
         $row = array();