From 5d22b51668ef3912192e5fbca68c9d6efdc9ba8a Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Thu, 11 Nov 2021 08:33:28 -0500
Subject: [PATCH] Forbid usage of `inage-set` as style property

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/1811

Additionally, forbid style declaration with at least one
instance of `//` at any position.
---
 src/js/static-filtering-parser.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 16b9c3704..00cdcd074 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -1565,11 +1565,13 @@ Parser.prototype.SelectorCompiler = class {
     // https://github.com/uBlockOrigin/uBlock-issues/issues/668
     // https://github.com/uBlockOrigin/uBlock-issues/issues/1693
     //   Forbid instances of:
+    //   - `image-set(`
     //   - `url(`
+    //   - any instance of `//`
     //   - backslashes `\`
     //   - opening comment `/*`
     compileStyleProperties(s) {
-        if ( /url\(|\\|\/\*/i.test(s) ) { return; }
+        if ( /image-set\(|url\(|\/\/|\\|\/\*/i.test(s) ) { return; }
         if ( this.stylesheet === null ) { return s; }
         let valid = false;
         try {