CVE-2022-47415 in Community Edition
Summary
by MITRE • 02/08/2023
LogicalDOC Enterprise and Community Edition (CE) are vulnerable to a stored (persistent, or "Type II") cross-site scripting (XSS) condition in the in-app messaging system (both subject and message bodies).
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Analysis
by VulDB Data Team • 03/25/2025
The vulnerability identified as CVE-2022-47415 affects LogicalDOC Enterprise and Community Edition versions that are susceptible to stored cross-site scripting attacks within their in-app messaging system. This represents a critical security flaw that allows attackers to inject malicious scripts into message subjects and bodies that persist in the application's database, making it a Type II XSS vulnerability according to the OWASP Top Ten classification. The affected system components include both the subject field and message body fields of the internal messaging functionality, which are processed and stored without adequate input sanitization or output encoding mechanisms.
The technical implementation of this vulnerability stems from insufficient validation and sanitization of user inputs within the messaging subsystem. When users compose messages or set subjects, the application fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code by web browsers. This allows an attacker to craft malicious payloads that are stored server-side and executed whenever other users view the compromised messages. The vulnerability is particularly concerning because it operates through the application's own messaging infrastructure, meaning that the malicious scripts can leverage the authenticated user context and potentially access sensitive data or perform unauthorized actions based on the victim's permissions within the LogicalDOC environment.
The operational impact of this vulnerability extends beyond simple script execution as it can enable attackers to perform session hijacking, data exfiltration, and privilege escalation within the LogicalDOC application. An attacker who successfully exploits this vulnerability can steal session cookies, access other users' private messages, or manipulate the application state to gain unauthorized access to documents and system resources. The persistence of the vulnerability means that even after the initial injection, the malicious scripts continue to execute whenever affected messages are displayed, creating a long-term threat vector that can be exploited repeatedly by different users. According to CWE-79, this vulnerability directly maps to the weakness of insufficient input validation and output encoding, while the ATT&CK framework categorizes this under T1566.001 for initial access through malicious content and T1059.001 for command and control through script injection techniques.
Mitigation strategies for this vulnerability require immediate implementation of comprehensive input validation and output encoding measures throughout the messaging system. Organizations should implement strict sanitization of all user inputs, particularly in fields that are rendered in web contexts, using established libraries such as OWASP Java HTML Sanitizer or similar tools that can effectively neutralize malicious scripts while preserving legitimate content. The application should enforce proper Content Security Policy headers to limit script execution capabilities and implement context-aware encoding for all output rendering. Additionally, security patches should be applied immediately upon release, and regular security assessments should be conducted to identify similar vulnerabilities in other application components. Access controls and monitoring should be enhanced to detect unusual messaging patterns or unauthorized script injections, while user education regarding safe message handling practices can help reduce the risk of successful exploitation. The vulnerability demonstrates the critical importance of implementing defense-in-depth strategies that combine multiple security controls to protect against persistent threats that can compromise application integrity and user data confidentiality.