From 27d4b713f6281e531d9622de09373adf7170384b Mon Sep 17 00:00:00 2001
From: Wonderfall <wonderfall@protonmail.com>
Date: Mon, 21 Mar 2022 06:30:37 +0100
Subject: [PATCH] disable legacy X-XSS-Protection feature

Obsolete in every modern browser, unsafe, and replaced by CSP
---
 src/util.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util.rs b/src/util.rs
index de61a354..d984dae0 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -32,7 +32,8 @@ impl Fairing for AppHeaders {
         res.set_raw_header("Referrer-Policy", "same-origin");
         res.set_raw_header("X-Frame-Options", "SAMEORIGIN");
         res.set_raw_header("X-Content-Type-Options", "nosniff");
-        res.set_raw_header("X-XSS-Protection", "1; mode=block");
+        // Obsolete in modern browsers, unsafe (XS-Leak), and largely replaced by CSP
+        res.set_raw_header("X-XSS-Protection", "0");
         let csp = format!(
             // Chrome Web Store: https://chrome.google.com/webstore/detail/bitwarden-free-password-m/nngceckbapebfimnlniiiahkandclblb
             // Edge Add-ons: https://microsoftedge.microsoft.com/addons/detail/bitwarden-free-password/jbkfoedolllekgbhcbcoahefnbanhhlh?hl=en-US