CVE-2022-3072 in rosariosis
Summary
by MITRE • 09/01/2022
Cross-site Scripting (XSS) - Stored in GitHub repository francoisjacquet/rosariosis prior to 8.9.3.
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Analysis
by VulDB Data Team • 10/11/2022
The vulnerability identified as CVE-2022-3072 represents a stored cross-site scripting flaw within the francoisjacquet/rosariosis GitHub repository, affecting versions prior to 8.9.3. This repository hosts an open-source school management system that provides educational institutions with tools for student information management, grade tracking, and administrative functions. The stored XSS vulnerability arises from insufficient input validation and output encoding mechanisms within the application's data processing pipeline, allowing malicious actors to inject persistent malicious scripts into the system's database through user-controllable input fields.
The technical implementation of this vulnerability stems from the application's failure to properly sanitize user-supplied data before storing it in the database and subsequently rendering it in web pages. When legitimate users view content containing the malicious script, the payload executes within their browser context, potentially compromising their session cookies, redirecting them to malicious sites, or enabling full account takeover. The vulnerability specifically affects areas where user-generated content is stored and displayed without adequate sanitization, including but not limited to student names, descriptions, comments, or other editable fields within the school management interface. This flaw aligns with CWE-79, which categorizes cross-site scripting vulnerabilities as weaknesses in input validation and output encoding.
The operational impact of this vulnerability extends beyond simple data corruption, as it creates a persistent threat vector that remains active until the affected version is patched. Attackers can exploit this vulnerability by registering malicious scripts in fields that are subsequently rendered to other users, effectively turning the application into a vector for delivering malware or conducting phishing attacks against system users. The stored nature of the vulnerability means that once exploited, the malicious payload continues to affect users who encounter the compromised content, making it particularly dangerous in environments where multiple users interact with shared data. This vulnerability directly impacts the integrity and confidentiality of the system, potentially exposing sensitive educational data and user credentials to unauthorized parties, which falls under the ATT&CK technique T1566 for credential harvesting and T1059 for command and scripting interpreter usage.
Organizations utilizing the rosariosis system should immediately implement mitigations including updating to version 8.9.3 or later, which contains the necessary input validation and output encoding fixes. Additionally, administrators should implement proper content security policies, regularly audit user input fields for potential malicious content, and consider implementing web application firewalls to detect and block suspicious script payloads. The vulnerability demonstrates the critical importance of input validation in web applications and the necessity of following secure coding practices as outlined in OWASP Top 10 and NIST cybersecurity guidelines. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the educational management system infrastructure.