diff --git a/ChangeLog b/ChangeLog
index b6794e60c1a..ba1964f9786 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,9 @@
 English Dolibarr ChangeLog
 --------------------------------------------------------------
 
+***** ChangeLog for 23.0.3 compared to 23.0.2 *****
+FIX: IDOR on messaging.php - credit Aksoum Abderrahmane
+
 
 ***** ChangeLog for 24.0.0 compared to 23.0 *****
 
diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 38ec05f6d22..fa455f17e93 100644
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -975,7 +975,7 @@ if ($action == 'create' || $action == 'presend') {
 			$morehtmlref .= '<input type="hidden" name="id" value="'.$object->id.'">';
 			$morehtmlref .= '<input type="text" class="minwidth300" id="subject" name="subject" value="'.$object->subject.'" autofocus="">';
 			$morehtmlref .= '<input type="submit" class="smallpaddingimp button valignmiddle" name="modify" value="'.$langs->trans("Modify").'">';
-			$morehtmlref .= '<input type="submit" class="smallpaddingimp button button-cancel vlignmiddle" name="cancel" value="'.$langs->trans("Cancel").'">';
+			$morehtmlref .= '<input type="submit" class="smallpaddingimp button button-cancel valignmiddle" name="cancel" value="'.$langs->trans("Cancel").'">';
 			$morehtmlref .= '</form>';
 		}