diff --git a/ChangeLog b/ChangeLog
index 6a078fcb..55da923a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2012-09-24  Uwe Tews
+
+    * Fixed  escape Smarty error messages to avoid possible script execution
+
+    
+2010-04-17  Uwe Tews
+
+    * Fixed security hole in {math} plugin
+    
 2007-09-27  TAKAGI Masahiro  <matakagi@gmail.com>
 
     * docs/ja/designers/language-custom-functions/language-function-html-checkboxes.xml:
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 3c3448db..ab70d210 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -20,7 +20,7 @@
  *
  * For questions, help, comments, discussion, etc., please join the
  * Smarty mailing list. Send a blank e-mail to
- * smarty-discussion-subscribe@googlegroups.com 
+ * smarty-discussion-subscribe@googlegroups.com
  *
  * @link http://www.smarty.net/
  * @copyright 2001-2005 New Digital Group, Inc.
@@ -1058,7 +1058,7 @@ class Smarty
         } else {
             // var non-existant, return valid reference
             $_tmp = null;
-            return $_tmp;   
+            return $_tmp;
         }
     }
 
@@ -1090,7 +1090,8 @@ class Smarty
      */
     function trigger_error($error_msg, $error_type = E_USER_WARNING)
     {
-        trigger_error("Smarty error: $error_msg", $error_type);
+        $msg = htmlentities($error_msg);
+        trigger_error("Smarty error: $msg", $error_type);
     }
 
 
@@ -1117,7 +1118,7 @@ class Smarty
     function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false)
     {
         static $_cache_info = array();
-        
+
         $_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(isset($this->error_reporting)
                ? $this->error_reporting : error_reporting() & ~E_NOTICE);
 
@@ -1933,10 +1934,10 @@ class Smarty
     {
         return eval($code);
     }
-    
+
     /**
      * Extracts the filter name from the given callback
-     * 
+     *
      * @param callback $function
      * @return string
      */
@@ -1951,7 +1952,7 @@ class Smarty
 			return $function;
 		}
 	}
-  
+
     /**#@-*/
 
 }
diff --git a/libs/plugins/function.cycle.php b/libs/plugins/function.cycle.php
index fe78bb87..80378b7f 100644
--- a/libs/plugins/function.cycle.php
+++ b/libs/plugins/function.cycle.php
@@ -63,7 +63,11 @@ function smarty_function_cycle($params, &$smarty)
         $cycle_vars[$name]['values'] = $params['values'];
     }
 
-    $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ',';
+    if (isset($params['delimiter'])) {
+        $cycle_vars[$name]['delimiter'] = $params['delimiter'];
+    } elseif (!isset($cycle_vars[$name]['delimiter'])) {
+        $cycle_vars[$name]['delimiter'] = ',';       
+    }
     
     if(is_array($cycle_vars[$name]['values'])) {
         $cycle_array = $cycle_vars[$name]['values'];
diff --git a/libs/plugins/function.fetch.php b/libs/plugins/function.fetch.php
index 81b1bfc6..d72c7b1f 100644
--- a/libs/plugins/function.fetch.php
+++ b/libs/plugins/function.fetch.php
@@ -181,12 +181,12 @@ function smarty_function_fetch($params, &$smarty)
                         $content .= fgets($fp,4096);
                     }
                     fclose($fp);
-                    $csplit = split("\r\n\r\n",$content,2);
+                    $csplit = preg_split("!\r\n\r\n!",$content,2);
 
                     $content = $csplit[1];
 
                     if(!empty($params['assign_headers'])) {
-                        $smarty->assign($params['assign_headers'],split("\r\n",$csplit[0]));
+                        $smarty->assign($params['assign_headers'],preg_split("!\r\n!",$csplit[0]));
                     }
                 }
             } else {
diff --git a/libs/plugins/function.math.php b/libs/plugins/function.math.php
index bb78dac2..6575e060 100644
--- a/libs/plugins/function.math.php
+++ b/libs/plugins/function.math.php
@@ -37,7 +37,7 @@ function smarty_function_math($params, &$smarty)
     }
 
     // match all vars in equation, make sure all are passed
-    preg_match_all("!(?:0x[a-fA-F0-9]+)|([a-zA-Z][a-zA-Z0-9_]+)!",$equation, $match);
+    preg_match_all("!(?:0x[a-fA-F0-9]+)|([a-zA-Z][a-zA-Z0-9_]*)!",$equation, $match);
     $allowed_funcs = array('int','abs','ceil','cos','exp','floor','log','log10',
                            'max','min','pi','pow','rand','round','sin','sqrt','srand','tan');
     
@@ -82,4 +82,4 @@ function smarty_function_math($params, &$smarty)
 
 /* vim: set expandtab: */
 
-?>
+?>
\ No newline at end of file