CVE-2022-29004 in Diary Management System
Summary
by MITRE • 05/23/2022
Diary Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Name parameter in search-result.php.
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Analysis
by VulDB Data Team • 05/29/2022
The Diary Management System v1.0 contains a critical cross-site scripting vulnerability that exposes users to potential security risks through improper input validation. This vulnerability exists within the search-result.php script where the Name parameter is processed without adequate sanitization or encoding mechanisms. The flaw allows attackers to inject malicious script code into the application's response, which then executes in the context of other users' browsers when they view the search results. This represents a classic client-side vulnerability that undermines the integrity of user sessions and can lead to unauthorized access to sensitive information.
The technical implementation of this vulnerability stems from the application's failure to properly escape or filter user-supplied input before incorporating it into dynamic web content. When users submit search queries containing the Name parameter, the system processes this input directly without applying appropriate security measures such as output encoding or input validation. According to the CWE database, this vulnerability maps to CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications. The vulnerability classifies as a reflected XSS attack since the malicious payload is reflected back to users through the application's response rather than being stored in a database or file system.
The operational impact of this vulnerability extends beyond simple data exposure, potentially enabling attackers to perform session hijacking, deface the application, or redirect users to malicious websites. An attacker could craft a malicious payload that steals session cookies, allowing unauthorized access to user accounts and potentially escalating privileges within the diary management system. The vulnerability affects all users who interact with the search functionality, making it particularly dangerous in environments where sensitive personal or organizational data is stored. The attack vector requires minimal sophistication, as the vulnerability can be exploited through simple URL manipulation or form submission without requiring advanced technical skills.
Security mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The recommended approach involves sanitizing all user inputs using established encoding techniques such as HTML entity encoding for output contexts and implementing strict input validation rules that reject or sanitize potentially dangerous characters. Organizations should also consider implementing Content Security Policy headers to limit the execution of unauthorized scripts and utilize web application firewalls to detect and block suspicious input patterns. According to ATT&CK framework, this vulnerability falls under the T1059.008 technique for scripting, as attackers can leverage the XSS flaw to execute malicious code through user browsers. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify and remediate similar vulnerabilities in the application's codebase.