Fixes XSS vulnerabilities (#6831)

* Properly escape log_meta values

* Vue syntax fix to allow npm run dev to work again

* Janky fix for Select2 bug

* Compiled production assets

* Escape user’s last name in API

* Removed duplicate alertClass

* Compiled production assets

app/Http/Transformers/ActionlogsTransformer.php

@@ -26,6 +26,18 @@ class ActionlogsTransformer
         if ($actionlog->filename!='') {
             $icon =  e(\App\Helpers\Helper::filetype_icon($actionlog->filename));
         }
+
+        // This is necessary since we can't escape special characters within a JSON object
+        if (($actionlog->log_meta) && ($actionlog->log_meta!='')) {
+            $meta_array = json_decode($actionlog->log_meta);
+            foreach ($meta_array as $key => $value) {
+                foreach ($value as $meta_key => $meta_value) {
+                    $clean_meta[$key][$meta_key] = e($meta_value);
+                }
+            }
+        }
+
+
         $array = [
             'id'          => (int) $actionlog->id,
             'icon'          => $icon,
@@ -64,7 +76,7 @@ class ActionlogsTransformer
 
             'note'          => ($actionlog->note) ? e($actionlog->note): null,
             'signature_file'   => ($actionlog->accept_signature) ? route('log.signature.view', ['filename' => $actionlog->accept_signature ]) : null,
-            'log_meta'          => ($actionlog->log_meta) ? json_decode($actionlog->log_meta): null,
+            'log_meta'          => ((isset($clean_meta)) && (is_array($clean_meta))) ? $clean_meta: null,
 
 
         ];

app/Http/Transformers/UsersTransformer.php

@@ -24,7 +24,7 @@ class UsersTransformer
         $array = [
                 'id' => (int) $user->id,
                 'avatar' => e($user->present()->gravatar),
-                'name' => e($user->first_name).' '.($user->last_name),
+                'name' => e($user->first_name).' '.e($user->last_name),
                 'first_name' => e($user->first_name),
                 'last_name' => e($user->last_name),
                 'username' => e($user->username),

public/mix-manifest.json

@@ -1,14 +1,14 @@
 {
-    "/js/build/vue.js": "/js/build/vue.js?id=af0a53aa1b89d0e19039",
+    "/js/build/vue.js": "/js/build/vue.js?id=96f90510b797ac27a94b",
     "/css/AdminLTE.css": "/css/AdminLTE.css?id=5e72463a66acbcc740d5",
     "/css/app.css": "/css/app.css?id=407edb63cc6b6dc62405",
     "/css/overrides.css": "/css/overrides.css?id=2d81c3704393bac77011",
-    "/js/build/vue.js.map": "/js/build/vue.js.map?id=79fce5e6515d8a4cc760",
+    "/js/build/vue.js.map": "/js/build/vue.js.map?id=423f16f63b86abd6b196",
     "/css/AdminLTE.css.map": "/css/AdminLTE.css.map?id=0be7790b84909dca6a0a",
     "/css/app.css.map": "/css/app.css.map?id=96b5c985e860716e6a16",
     "/css/overrides.css.map": "/css/overrides.css.map?id=f7ce9ca49027594ac402",
     "/css/dist/all.css": "/css/dist/all.css?id=98db4e9b7650453c8b00",
-    "/js/dist/all.js": "/js/dist/all.js?id=a3a656ed6316d4c4efe7",
+    "/js/dist/all.js": "/js/dist/all.js?id=114f1025a1b3e8975476",
     "/css/build/all.css": "/css/build/all.css?id=98db4e9b7650453c8b00",
-    "/js/build/all.js": "/js/build/all.js?id=a3a656ed6316d4c4efe7"
+    "/js/build/all.js": "/js/build/all.js?id=114f1025a1b3e8975476"
 }

resources/assets/js/components/importer/importer-file.vue

@@ -40,9 +40,8 @@ tr {
                 </div>
                 </div>
             </div>
-            <div class="alert col-md-12"
+            <div class="alert col-md-12" style="text-align:left"
                  :class="alertClass"
-                 style="text-align:left"
                  v-if="statusText">
                 {{ this.statusText }}
             </div>
@@ -84,7 +83,6 @@ tr {
 
                 <div class="alert col-md-12" style="padding-top: 20px;"
                      :class="alertClass"
-                     style="text-align:left"
                      v-if="statusText">
                     {{ this.statusText }}
                 </div>

resources/assets/js/snipeit.js

@@ -260,7 +260,18 @@ $(document).ready(function () {
     }
 
     function formatDataSelection (datalist) {
-        return datalist.text;
+        // This a heinous workaround for a known bug in Select2.
+        // Without this, the rich selectlists are vulnerable to XSS.
+        // Many thanks to @uberbrady for this fix. It ain't pretty,
+        // but it resolves the issue until Select2 addresses it on their end.
+        //
+        // Bug was reported in 2016 :{
+        // https://github.com/select2/select2/issues/4587
+
+        return datalist.text.replace(/>/g, '>')
+            .replace(/</g, '&lt;')
+            .replace(/"/g, '&quot;')
+            .replace(/'/g, '&#039;');
     }
 
     // This handles the radio button selectors for the checkout-to-foo options