From c71b3064bba08a16b29d6f6ba238da52092d6993 Mon Sep 17 00:00:00 2001
From: kenshin-samourai <kenshin_samourai@tutanota.com>
Date: Thu, 19 Nov 2020 17:29:09 +0100
Subject: [PATCH] check that jqxhr['responseJSON']['error'] is a string

---
 static/admin/lib/errors-utils.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/static/admin/lib/errors-utils.js b/static/admin/lib/errors-utils.js
index e32c528..106cd16 100644
--- a/static/admin/lib/errors-utils.js
+++ b/static/admin/lib/errors-utils.js
@@ -4,7 +4,8 @@ const lib_errors = {
   extractJqxhrErrorMsg: function(jqxhr) {
     let hasErrorMsg = ('responseJSON' in jqxhr) &&
       (jqxhr['responseJSON'] != null) &&
-      ('error' in jqxhr['responseJSON'])
+      ('error' in jqxhr['responseJSON']) &&
+      (typeof jqxhr['responseJSON']['error'] == 'string')
 
     return hasErrorMsg ? jqxhr['responseJSON']['error'] : jqxhr.statusText
   },