From 42ddac5e3dafd296873267e0ccd544f483d671e7 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Wed, 2 Nov 2022 08:32:54 -0400
Subject: [PATCH] Fix unescaped backslashes in selector attribute

Related feedback:
- https://www.reddit.com/r/uBlockOrigin/comments/yjoh9p/
---
 src/js/static-filtering-parser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 7776103ef..3bd8316bd 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -1589,7 +1589,7 @@ Parser.prototype.SelectorCompiler = class {
             if ( typeof value !== 'string' ) {
                 value = data.value.name;
             }
-            value = value.replace(/"/g, '\\$&');
+            value = value.replace(/["\\]/g, '\\$&');
             let flags = '';
             if ( typeof data.flags === 'string' ) {
                 if ( /^(is?|si?)$/.test(data.flags) === false ) { return; }