Document Title: =============== PHP Melody v3.0 - Multiple Cross Site Web Vulnerabilities References (Source): ==================== Bulletin: Release Date: ============= 2021-10-20 Vulnerability Laboratory ID (VL-ID): ==================================== 2290 Common Vulnerability Scoring System: ==================================== 5 Vulnerability Class: ==================== Cross Site Scripting - Non Persistent Current Estimated Price: ======================== 500€ - 1.000€ Product & Service Introduction: =============================== Upload, import, stream or embed any media. The smart way to manage audio & video. Comes with all the tools you need for online publishing. Beautiful content for your site. Allow users to create their channels, subscribe and follow the content they like. Podcast, mini-series, TV shows or movies. Everything is easier to publish with our CMS. Invest in a Secure Foundation. Build with a proven CMS. (Copy of the Homepage: ) Abstract Advisory Information: ============================== The vulnerability laboratory core research team discovered multiple non-persistent cross site scripting vulnerabilities in the PHP Melody v3.0 video cms web-application. Affected Product(s): ==================== PHPSUGAR Product: PHP Melody v3.0 - Video CMS (Web-Application) Vulnerability Disclosure Timeline: ================================== 2021-09-01: Researcher Notification & Coordination (Security Researcher) 2021-09-02: Vendor Notification (Security Department) 2021-09-04: Vendor Response/Feedback (Security Department) 2021-09-22: Vendor Fix/Patch (Service Developer Team) 2021-09-22: Security Acknowledgements (Security Department) 2021-10-20: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Medium Authentication Type: ==================== Pre Auth (No Privileges or Session) User Interaction: ================= Low User Interaction Disclosure Type: ================ Responsible Disclosure Technical Details & Description: ================================ Multiple non-persistent cross site web vulnerabilities has been discovered in the official PHP Melody v3.0 video cms web-application. The vulnerability allows remote attackers to inject own malicious script codes with non-persistent attack vector to compromise browser to web-application requests by the client-side. The cross site scripting vulnerabilities are located in the `moved`, `username` and `keyword` parameters of the `categories.php`, `import.php` or `import-user.php` files. The injection point is located in the get method request and the execution occurs with non-persistent attack vector in the status message or exception of the admin panel ui. Successful exploitation of the vulnerability results in session hijacking, non-persistent phishing attacks, non-persistent external redirects to malicious source and non-persistent manipulation of affected application modules. Request Method(s): [+] GET Vulnerable File(s): [+] categories.php [+] import-user.php [+] import.php Vulnerable Parameter(s): [+] move [+] username [+] keyword Affected Module(s): [+] Status Message & Exception Proof of Concept (PoC): ======================= The client-side cross site scripting web vulnerabilities can be exploited by remote attackers without account and with low user interaction. For security demonstration or to reproduce the cross site web vulnerability follow the provided information and steps below to continue. PoC: Payload %22%3E%3Ciframe%20src=a%20onload=alert(document.cookie)%3E PoC: Exploitation - &results=50&autofilling=0&autodata=1&oc=1&utc=19&data_source=youtube&sub_id=24&page=1 - PoC: Exploit PHP Melody v3.0 - XSS PoC Exploit #1 #2 #3 --- PoC Session Logs (GET) (move) ---">