diff --git a/lib/common/models/wp_version/findable.rb b/lib/common/models/wp_version/findable.rb
index cd0a8dac..a771ff22 100644
--- a/lib/common/models/wp_version/findable.rb
+++ b/lib/common/models/wp_version/findable.rb
@@ -212,7 +212,12 @@ class WpVersion < WpItem
 
           next if attr_value.nil? || attr_value.empty?
 
-          uri = Addressable::URI.parse(attr_value)
+          begin
+            uri = Addressable::URI.parse(attr_value)
+          rescue Addressable::URI::InvalidURIError
+            next
+          end
+
           next unless uri.query && uri.query.match(pattern)
 
           version = Regexp.last_match[1].to_s
diff --git a/spec/lib/common/models/wp_version/findable_spec.rb b/spec/lib/common/models/wp_version/findable_spec.rb
index 2eafcc8f..f647a7dc 100644
--- a/spec/lib/common/models/wp_version/findable_spec.rb
+++ b/spec/lib/common/models/wp_version/findable_spec.rb
@@ -159,6 +159,22 @@ describe 'WpVersion::Findable' do
     end
   end
 
+  describe '::find_from_stylesheets_numbers' do
+    after do
+      fixture = fixtures_dir + 'stylesheet_numbers' + @fixture
+      stub_request_to_fixture(url: uri, fixture: fixture)
+
+      expect(WpVersion.send(:find_from_stylesheets_numbers, uri)).to eq @expected
+    end
+
+    context 'invalid url' do
+      it 'returns nil' do
+        @fixture = '/invalid_url.html'
+        @expected = nil
+      end
+    end
+  end
+
   describe '::find' do
     # Stub all WpVersion::find_from_* to return nil
     def stub_all_to_nil
diff --git a/spec/samples/common/models/wp_version/findable/stylesheet_numbers/invalid_url.html b/spec/samples/common/models/wp_version/findable/stylesheet_numbers/invalid_url.html
new file mode 100644
index 00000000..04ccf538
--- /dev/null
+++ b/spec/samples/common/models/wp_version/findable/stylesheet_numbers/invalid_url.html
@@ -0,0 +1,8 @@
+<script src="//use.typekit.net/h3 {
+    font-family: &#039;Century Gothic&#039;, CenturyGothic, AppleGothic, sans-serif;
+    font-size: 14px;
+    font-style: normal;
+    font-variant: normal;
+    font-weight: 500;
+    line-height: 15px;.js"></script><script>try{Typekit.load();}catch(e){}</script>
+