From 7152ffafe6bcd1956adaa6c0e3fcd4679cdce421 Mon Sep 17 00:00:00 2001
From: CHan Shing Kit <chanshingkit@gmail.com>
Date: Mon, 27 Jul 2020 23:06:43 +0800
Subject: [PATCH] [FIX] File uploads for unknown file types but nothing is
 blocked (#18263)

---
 app/utils/lib/fileUploadRestrictions.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/utils/lib/fileUploadRestrictions.js b/app/utils/lib/fileUploadRestrictions.js
index 4e62e7eed19..bc1c7b5fa05 100644
--- a/app/utils/lib/fileUploadRestrictions.js
+++ b/app/utils/lib/fileUploadRestrictions.js
@@ -45,7 +45,7 @@ export const fileUploadIsValidContentType = function(type, customWhiteList) {
 	const blackList = fileUploadMediaBlackList();
 	const whiteList = fileUploadMediaWhiteList(customWhiteList);
 
-	if (!type) {
+	if (!type && blackList) {
 		return false;
 	}