1 files changed, 4 insertions, 1 deletions
diff --git a/lib/plugins/authplain/auth.php b/lib/plugins/authplain/auth.php
index ec5d16e9d..3d303597c 100644
--- a/lib/plugins/authplain/auth.php
+++ b/lib/plugins/authplain/auth.php
@@ -356,9 +356,12 @@ class auth_plugin_authplain extends DokuWiki_Auth_Plugin {
 
         $row = array();
         $piece = '';
-        for($i=0; $i<strlen($line); $i++){
+        $len = strlen($line);
+        for($i=0; $i<$len; $i++){
             if ($line[$i]=='\\'){
+                $piece .= $line[$i];
                 $i++;
+                if ($i>=$len) break;
             } else if ($line[$i]==':'){
                 $row[] = $piece;
                 $piece = '';