From this webpage screenshot, the following key information about the vulnerability can be obtained: Vulnerability Overview Type: DOM-based Cross-Site Scripting (DOM-XSS) Impact: This vulnerability allows attackers to inject malicious scripts by manipulating DOM elements, enabling arbitrary code execution within the victim’s browser. Risk: May lead to data leakage, session hijacking, or further attacks. Proof of Concept (PoC) Field 1: Small Field in Profile Setting Description: Entering specific HTML tags and JavaScript code in the small field on the profile settings page triggers the XSS vulnerability. Example: Result: An alert box pops up when the page loads, confirming successful XSS exploitation. Field 2: Academic Term Field in Academic Terms Page Description: Inputting malicious code in the academic term field on the academic terms page triggers XSS. Example: Result: Alert box appears, confirming successful XSS. Field 3: Class Name Field in Classes Page Description: Entering malicious code in the class name field on the classes page triggers XSS. Example: Result: Alert box appears, confirming successful XSS. Field 4: Subject Field in Subjects Page Description: Inputting malicious code in the subject field on the subjects page triggers XSS. Example: Result: Alert box appears, confirming successful XSS. Field 5: Student Field in Students System Page Description: Entering malicious code in the student field on the students system page triggers XSS. Example: Result: Alert box appears, confirming successful XSS. Field 6: Division Field in Divisions System Page Description: Inputting malicious code in the division field on the divisions system page triggers XSS. Example: Result: Alert box appears, confirming successful XSS. Field 7: Text Box in Announcement Page Description: Entering malicious code in the text box on the announcement page triggers XSS. Example: Result: Alert box appears, confirming successful XSS. Recommended Mitigations Output Encoding/Decoding Strategy: Apply proper encoding and decoding to all user inputs to prevent malicious script injection. Input Validation and Sanitization: Implement strict validation and sanitization for all inputs to ensure only legitimate data is accepted. Least Privilege Principle: Enforce the principle of least privilege to limit user permissions and reduce potential risks. HTTP Headers Configuration: Configure appropriate HTTP headers, such as Content-Security-Policy, to enhance security. Anti-Automation Mechanisms: Implement anti-automation measures, such as CAPTCHA, to prevent automated attacks.