Escape metacharacters in non-whole-word keyword mutes. Fixes #533.

Also addresses #463.

1 files changed, 1 insertions, 1 deletions

diff --git a/app/models/glitch/keyword_mute.rb b/app/models/glitch/keyword_mute.rb
index e7cbbe617..7d0002afd 100644
--- a/app/models/glitch/keyword_mute.rb
+++ b/app/models/glitch/keyword_mute.rb
@@ -50,7 +50,7 @@ class Glitch::KeywordMute < ApplicationRecord
     end
 
     def matches?(str)
-      str =~ (whole_word ? boundary_regex_for_keyword : /#{keyword}/i)
+      str =~ (whole_word ? boundary_regex_for_keyword : /#{Regexp.escape(keyword)}/i)
     end
   end