CVE-2022-34133 in Jorani
Summary
by MITRE • 06/28/2022
Jorani v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Comment parameter at application/controllers/Leaves.php.
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Analysis
by VulDB Data Team • 03/30/2026
The vulnerability identified as CVE-2022-34133 affects Jorani version 1.0, a web-based human resource management system designed for leave management and workforce planning. This application serves organizations in tracking employee leave requests, approvals, and related administrative functions through a web interface. The system's architecture includes various controllers and models that handle user inputs and generate dynamic content for web pages. The specific vulnerability manifests within the leaves management functionality where user comments are processed and displayed back to other users in the system interface.
The technical flaw resides in the improper handling of user-supplied input within the Comment parameter of the Leaves.php controller file. When users submit comments through the leave management interface, the application fails to adequately sanitize or escape the input data before incorporating it into the HTML response sent to other users. This represents a classic cross-site scripting vulnerability where malicious input can contain executable script code that gets interpreted by web browsers when the comment is rendered. The vulnerability occurs at the application layer where user input validation and output encoding mechanisms are insufficient or absent. According to CWE classification, this corresponds to CWE-79: Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly escape or encode user-controllable data before including it in web output.
The operational impact of this vulnerability is significant for organizations using Jorani v1.0, as it allows attackers to inject malicious scripts into the application's comment fields. When other users view the affected comments, their browsers execute the embedded malicious code, potentially leading to session hijacking, credential theft, or redirection to malicious websites. Attackers could exploit this vulnerability to gain unauthorized access to employee accounts, steal sensitive HR data, or perform actions on behalf of legitimate users. The vulnerability affects all users who can submit comments within the leave management system, making it particularly dangerous in collaborative environments where multiple employees interact with leave requests and comments. This type of vulnerability aligns with ATT&CK technique T1531: Account Access Removal, as successful exploitation could lead to unauthorized access to privileged accounts and potentially enable further lateral movement within the organization's network infrastructure.
Organizations should immediately implement multiple layers of mitigation strategies to address this vulnerability. The primary remediation involves implementing proper input validation and output encoding mechanisms within the Leaves.php controller to sanitize all user-supplied data before rendering it in the web interface. This includes applying HTML entity encoding to all comment content and implementing strict input validation to reject or remove potentially malicious script tags and special characters. Additionally, organizations should conduct comprehensive code reviews to identify and address similar vulnerabilities across other controllers and parameters within the application. The implementation of Content Security Policy headers can provide an additional defensive layer by restricting the sources from which scripts can be executed within the application. Organizations should also consider implementing web application firewalls to detect and block suspicious input patterns. Regular security assessments and penetration testing should be conducted to ensure that similar vulnerabilities are not present in other components of the Jorani application or related systems. The vulnerability serves as a reminder of the critical importance of secure coding practices and input sanitization in web applications, particularly in HR management systems that handle sensitive employee data and facilitate user interactions with potentially untrusted input sources.