From bc6b232d7cf20ccd0a8cf59bdb78ed4128470e98 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Mon, 26 Dec 2022 23:49:55 +1100
Subject: [PATCH] Clean extra non-printable chars (#4110)

- \x00 (null character)
- \x7F (DEL character)
---
 InvenTree/InvenTree/helpers.py               | 4 ++--
 InvenTree/templates/js/translated/helpers.js | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/InvenTree/InvenTree/helpers.py b/InvenTree/InvenTree/helpers.py
index 82b32ec4d5..cf0a046def 100644
--- a/InvenTree/InvenTree/helpers.py
+++ b/InvenTree/InvenTree/helpers.py
@@ -966,8 +966,8 @@ def remove_non_printable_characters(value: str, remove_newline=True, remove_asci
     if remove_ascii:
         # Remove ASCII control characters
         # Note that we do not sub out 0x0A (\n) here, it is done separately below
-        cleaned = regex.sub(u'[\x01-\x09]+', '', cleaned)
-        cleaned = regex.sub(u'[\x0b-\x1F]+', '', cleaned)
+        cleaned = regex.sub(u'[\x00-\x09]+', '', cleaned)
+        cleaned = regex.sub(u'[\x0b-\x1F\x7F]+', '', cleaned)
 
     if remove_newline:
         cleaned = regex.sub(u'[\x0a]+', '', cleaned)
diff --git a/InvenTree/templates/js/translated/helpers.js b/InvenTree/templates/js/translated/helpers.js
index eac2774671..9313bf32e7 100644
--- a/InvenTree/templates/js/translated/helpers.js
+++ b/InvenTree/templates/js/translated/helpers.js
@@ -456,7 +456,7 @@ function sanitizeInputString(s, options={}) {
     }
 
     // Remove ASCII control characters
-    s = s.replace(/[\x01-\x1F]+/g, '');
+    s = s.replace(/[\x00-\x1F\x7F]+/g, '');
 
     // Remove Unicode control characters
     s = s.replace(/[\p{C}]+/gu, '');