Fixed issue: Control characters break XML export

LimeSurvey · Sep 21, 2016 · c63cba4 · c63cba4
1 parent 8260bd3
commit c63cba4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/application/third_party/xlsx_writer/xlsxwriter.class.php b/application/third_party/xlsx_writer/xlsxwriter.class.php
@@ -582,6 +582,7 @@ public static function sanitize_filename($filename) //http://msdn.microsoft.com/
 	//------------------------------------------------------------------
 	public static function xmlspecialchars($val)
 	{
+        $val=preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x80-\x9F]/u', '', $val);
 		return str_replace("'", "&#39;", htmlspecialchars($val));
 	}
 	//------------------------------------------------------------------