CVE-2022-2811 in Guest Management System
Summary
by MITRE • 08/15/2022
A vulnerability classified as problematic has been found in SourceCodester Guest Management System. This affects an unknown part of the file myform.php. The manipulation of the argument name leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-206397 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 09/11/2022
The vulnerability identified as CVE-2022-2811 represents a cross site scripting vulnerability within the SourceCodester Guest Management System, specifically affecting the myform.php file. This classification places the issue within the realm of web application security flaws that can potentially compromise user sessions and data integrity. The vulnerability stems from inadequate input validation and sanitization mechanisms within the application's form processing logic, creating an avenue for malicious actors to inject malicious scripts into the web application's response. The affected component operates at the user input handling layer, where the name parameter is processed without proper sanitization, allowing attackers to manipulate the input field to execute arbitrary code within the context of other users' browsers.
The technical exploitation of this vulnerability occurs through the manipulation of the name argument parameter within the myform.php file, which serves as the primary attack vector for cross site scripting attacks. This flaw enables attackers to inject malicious javascript code that executes in the victim's browser when they interact with the compromised application. The vulnerability's remote exploitability means that attackers can initiate the attack without requiring physical access to the target system or local network presence, making it particularly dangerous for web applications that are publicly accessible. The vulnerability's classification as a persistent XSS issue indicates that the malicious script injection can occur during form submission and potentially persist within the application's data storage, allowing for repeated exploitation.
The operational impact of CVE-2022-2811 extends beyond simple script execution, as it can lead to session hijacking, credential theft, and potential full system compromise. Attackers can leverage this vulnerability to steal user authentication cookies, redirect victims to malicious websites, or inject additional malicious payloads that can escalate privileges within the application. The disclosure of the exploit to the public, as indicated by the VDB-206397 identifier, significantly increases the risk profile of this vulnerability since it removes the element of exploit scarcity that typically protects against widespread attacks. Organizations running this guest management system are particularly vulnerable to attacks targeting their user base, as the vulnerability affects the core form processing functionality that users interact with regularly.
Security mitigation strategies for this vulnerability must address both the immediate remediation of the input validation flaw and the implementation of comprehensive defense mechanisms. The primary fix involves implementing proper input sanitization and output encoding for all user-supplied data, particularly within the name parameter handling logic of myform.php. Organizations should implement Content Security Policy headers to limit script execution and employ proper parameter validation that rejects or sanitizes potentially malicious input patterns. The vulnerability aligns with CWE-79 which specifically addresses cross site scripting flaws, and can be mapped to ATT&CK technique T1566 for social engineering attacks that leverage web application vulnerabilities. Additionally, regular security testing including automated vulnerability scanning and manual penetration testing should be implemented to identify similar issues within the application's codebase, ensuring that all input handling mechanisms are properly secured against injection attacks.