PHPJabbers Event Booking Calendar 4.0 Cross Site Scripting / HTML Injection exploit

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## https://sploitus.com/exploit?id=PACKETSTORM:176485 # Exploit Title: PHPJabbers Event Booking Calendar v4.0 - Multiple Stored XSS # Date: 19/12/2023 # Exploit Author: BugsBD Limited # Discover by: Rahad Chowdhury # Vendor Homepage: https://www.phpjabbers.com/ # Software Link: https://www.phpjabbers.com/event-booking-calendar/#sectionDemo # Version: v4.0 # Tested on: Windows 10, Windows 11, Linux # CVE-2023-51296 Descriptions: PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple Stored Cross-Site Scripting. Multiple Stored XSS is a type of security vulnerability that occurs when an application or website allows an attacker to inject malicious scripts into the content that is permanently stored on the server. Unlike reflected XSS, where the malicious script is embedded in a URL and executed immediately, stored XSS involves the persistent storage of the malicious script on the target server, waiting for unsuspecting users to access the compromised content. Steps to Reproduce: 1. Login your panel. 2. Vulnerable parameters are "name, plugin_sms_api_key, plugin_sms_country_code, calendar_id, title, country name, customer_name". 3. Go to System Menu then click SMS Settings. 4. Then use any XSS Payload in "SMS API Key", "Default Country Code" input field and Save. 5. You will see xss popup. ## Reproduce: [href](https://github.com/bugsbd/CVE/tree/main/2023/CVE-2023-51296) # Exploit Title: PHPJabbers Event Booking Calendar v4.0 - Multiple HTML Injection # Date: 19/12/2023 # Exploit Author: BugsBD Limited # Discover by: Rahad Chowdhury # Vendor Homepage: https://www.phpjabbers.com/ # Software Link: https://www.phpjabbers.com/event-booking-calendar/#sectionDemo # Version: v4.0 # Tested on: Windows 10, Windows 11, Linux # CVE-2023-51295 Descriptions: PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple HTML Injection. HTML injection, also known as HTML code injection or cross-site scripting (XSS), is a web security vulnerability that allows an attacker to inject malicious code into a web page that is then viewed by other users. This can lead to various attacks, such as stealing sensitive information, session hijacking, defacement of websites, or delivering malware to users. Parameters: "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title". Steps to Reproduce: 1. Login your panel. 2. Go to System Menu then click SMS Settings. 3. Then use any HTML Tag in "SMS API Key", "Default Country Code" input field and Save. 4. You will see HTML code working here. ## Reproduce: [href](https://github.com/bugsbd/CVE/tree/main/2023/CVE-2023-51295)