[Security] More security vulnerabilities

Gemfile.lock

@@ -157,6 +157,7 @@ GEM
       unicode_utils (~> 1.4)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    crass (1.0.4)
     css_parser (1.5.0)
       addressable
     cucumber (2.4.0)
@@ -281,7 +282,8 @@ GEM
       actionpack (>= 4, < 5.2)
       activesupport (>= 4, < 5.2)
       railties (>= 4, < 5.2)
-    loofah (2.0.3)
+    loofah (2.2.2)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
     mail (2.6.6.rc1)
@@ -323,7 +325,7 @@ GEM
     netrc (0.11.0)
     newrelic_rpm (4.2.0.334)
     nio4r (2.1.0)
-    nokogiri (1.8.1)
+    nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
@@ -408,8 +410,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.0.4)
       i18n (~> 0.7)
       railties (~> 5.0)