diff --git a/htdocs/comm/card.php b/htdocs/comm/card.php
index aaab987fd9c..2fe683f4f8e 100644
--- a/htdocs/comm/card.php
+++ b/htdocs/comm/card.php
@@ -465,7 +465,7 @@ if ($object->id > 0) {
 		print $langs->trans("CustomerRelativeDiscountShort");
 		print '<td><td class="right">';
 		if ($user->rights->societe->creer && !$user->socid > 0) {
-			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$object->id.'">'.img_edit($langs->trans("Modify")).'</a>';
+			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.img_edit($langs->trans("Modify")).'</a>';
 		}
 		print '</td></tr></table>';
 		print '</td><td>'.($object->remise_percent ? '<a href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$object->id.'">'.$object->remise_percent.'%</a>' : '').'</td>';
@@ -478,7 +478,7 @@ if ($object->id > 0) {
 		print $langs->trans("CustomerAbsoluteDiscountShort");
 		print '<td><td class="right">';
 		if ($user->rights->societe->creer && !$user->socid > 0) {
-			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'">'.img_edit($langs->trans("Modify")).'</a>';
+			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.img_edit($langs->trans("Modify")).'</a>';
 		}
 		print '</td></tr></table>';
 		print '</td>';
@@ -488,7 +488,7 @@ if ($object->id > 0) {
 			dol_print_error($db, $object->error);
 		}
 		if ($amount_discount > 0) {
-			print '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'">'.price($amount_discount, 1, $langs, 1, -1, -1, $conf->currency).'</a>';
+			print '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.price($amount_discount, 1, $langs, 1, -1, -1, $conf->currency).'</a>';
 		}
 		//else print $langs->trans("DiscountNone");
 		print '</td>';
diff --git a/htdocs/comm/remise.php b/htdocs/comm/remise.php
index b2900e65575..cdd8fefc4b0 100644
--- a/htdocs/comm/remise.php
+++ b/htdocs/comm/remise.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2001-2004 Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2004-2015 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2004-2021 Laurent Destailleur  <eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -38,18 +38,30 @@ if ($user->socid > 0) {
 }
 
 $backtopage = GETPOST('backtopage', 'alpha');
+$cancel = GETPOST('cancel', 'aplha');
+$action = GETPOST('action', 'aZ09');
+
+// Security check
+if ($user->socid > 0) {
+	$id = $user->socid;
+}
+$result = restrictedArea($user, 'societe', $id, '&societe', '', 'fk_soc', 'rowid', 0);
 
 
 /*
  * Actions
  */
 
-if (GETPOST('cancel', 'alpha') && !empty($backtopage)) {
-	 header("Location: ".$backtopage);
-	 exit;
+if ($cancel) {
+	if (!empty($backtopage)) {
+		header("Location: ".$backtopage);
+		exit;
+	} else {
+		$action = '';
+	}
 }
 
-if (GETPOST('action', 'aZ09') == 'setremise') {
+if ($action == 'setremise') {
 	$object = new Societe($db);
 	$object->fetch($id);
 
@@ -74,11 +86,6 @@ if (GETPOST('action', 'aZ09') == 'setremise') {
 	}
 }
 
-// Security check
-if ($user->socid > 0) {
-	$id = $user->socid;
-}
-$result = restrictedArea($user, 'societe', $id, '&societe', '', 'fk_soc', 'rowid', 0);
 
 
 /*
diff --git a/htdocs/core/tpl/object_discounts.tpl.php b/htdocs/core/tpl/object_discounts.tpl.php
index 38e1967c11b..4373f09fdb7 100644
--- a/htdocs/core/tpl/object_discounts.tpl.php
+++ b/htdocs/core/tpl/object_discounts.tpl.php
@@ -40,8 +40,8 @@ if (!isset($absolute_creditnote)) {
 }
 
 // Relative and absolute discounts
-$addrelativediscount = '<a href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$thirdparty->id.'&backtopage='.$backtopage.'">'.$langs->trans("EditRelativeDiscount").'</a>';
-$addabsolutediscount = '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$thirdparty->id.'&backtopage='.$backtopage.'">'.$langs->trans("EditGlobalDiscounts").'</a>';
+$addrelativediscount = '<a href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$thirdparty->id.'&backtopage='.$backtopage.'&action=create&token='.newToken().'">'.$langs->trans("EditRelativeDiscount").'</a>';
+$addabsolutediscount = '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$thirdparty->id.'&backtopage='.$backtopage.'&action=create&token='.newToken().'">'.$langs->trans("EditGlobalDiscounts").'</a>';
 $viewabsolutediscount = '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$thirdparty->id.'&backtopage='.$backtopage.'">'.$langs->trans("ViewAvailableGlobalDiscounts").'</a>';
 
 $fixedDiscount = $thirdparty->remise_percent;
diff --git a/htdocs/fourn/card.php b/htdocs/fourn/card.php
index 16e89850ae4..fd3ec1fa34f 100644
--- a/htdocs/fourn/card.php
+++ b/htdocs/fourn/card.php
@@ -297,7 +297,7 @@ if ($object->id > 0) {
 	print $langs->trans("CustomerRelativeDiscountShort");
 	print '<td><td class="right">';
 	if ($user->rights->societe->creer && !$user->socid > 0) {
-		print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$object->id.'">'.img_edit($langs->trans("Modify")).'</a>';
+		print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.img_edit($langs->trans("Modify")).'</a>';
 	}
 	print '</td></tr></table>';
 	print '</td><td>'.($object->remise_supplier_percent ? '<a href="'.DOL_URL_ROOT.'/comm/remise.php?id='.$object->id.'">'.$object->remise_supplier_percent.'%</a>' : '').'</td>';
@@ -310,7 +310,7 @@ if ($object->id > 0) {
 	print $langs->trans("CustomerAbsoluteDiscountShort");
 	print '<td><td class="right">';
 	if ($user->rights->societe->creer && !$user->socid > 0) {
-		print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'">'.img_edit($langs->trans("Modify")).'</a>';
+		print '<a class="editfielda" href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.img_edit($langs->trans("Modify")).'</a>';
 	}
 	print '</td></tr></table>';
 	print '</td>';
@@ -320,7 +320,7 @@ if ($object->id > 0) {
 		dol_print_error($db, $object->error);
 	}
 	if ($amount_discount > 0) {
-		print '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'">'.price($amount_discount, 1, $langs, 1, -1, -1, $conf->currency).'</a>';
+		print '<a href="'.DOL_URL_ROOT.'/comm/remx.php?id='.$object->id.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?socid='.$object->id).'&action=create&token='.newToken().'">'.price($amount_discount, 1, $langs, 1, -1, -1, $conf->currency).'</a>';
 	}
 	//else print $langs->trans("DiscountNone");
 	print '</td>';