CVE-2022-24344 in YouTrack
Summary
by MITRE • 02/25/2022
JetBrains YouTrack before 2021.4.31698 was vulnerable to stored XSS on the Notification templates page.
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Analysis
by VulDB Data Team • 03/03/2022
The vulnerability identified as CVE-2022-24344 affects JetBrains YouTrack versions prior to 2021.4.31698, specifically targeting the Notification templates page where stored cross-site scripting flaws existed. This represents a critical security weakness that allows attackers to inject malicious scripts into the application's notification system, potentially compromising user sessions and data integrity. The vulnerability stems from insufficient input validation and output encoding mechanisms within the notification template handling functionality, creating an environment where malicious payloads can persist and execute when templates are rendered.
The technical implementation of this stored XSS vulnerability occurs when users interact with notification templates that contain unescaped or improperly sanitized user-controllable input. Attackers can craft malicious scripts within template parameters that get stored server-side and subsequently executed whenever the notification system renders these templates for legitimate users. This persistent nature of the flaw means that the malicious code executes automatically without requiring additional user interaction beyond viewing the affected notification templates. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and demonstrates how inadequate sanitization of user inputs in web applications can create persistent security risks.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to hijack user sessions, steal sensitive information, perform unauthorized actions within the application context, and potentially escalate privileges within the YouTrack environment. An attacker who successfully exploits this vulnerability could access confidential project data, modify notification settings, or even gain administrative capabilities depending on the user context. The stored nature of the XSS means that the attack vector can persist for extended periods, making detection and remediation more challenging. This vulnerability directly impacts the integrity and confidentiality of the YouTrack platform's notification system, potentially affecting numerous users who rely on automated alerts and notifications for project management.
Organizations should immediately upgrade to JetBrains YouTrack version 2021.4.31698 or later to address this vulnerability, as no effective workarounds exist for the stored XSS flaw. The remediation process requires careful attention to ensure that all notification templates are properly sanitized and that the application's input validation mechanisms are strengthened. System administrators should also conduct thorough security assessments of existing notification templates to identify any potentially compromised content. Additionally, implementing web application firewalls and content security policies can provide additional layers of protection while the primary upgrade is being implemented. The vulnerability demonstrates the critical importance of regular security updates and proper input validation in collaborative software platforms where users can create and modify system components.