CVE-2022-29485 in Shirasagi
Summary
by MITRE • 06/14/2022
Cross-site scripting vulnerability in SHIRASAGI v1.0.0 to v1.14.2, and v1.15.0 allows a remote attacker to inject an arbitrary script via unspecified vectors.
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Analysis
by VulDB Data Team • 06/14/2022
The cross-site scripting vulnerability identified as CVE-2022-29485 affects the SHIRASAGI content management system across multiple versions including v1.0.0 through v1.14.2 and v1.15.0. This vulnerability represents a critical security flaw that permits remote attackers to execute malicious scripts within the context of affected web applications. The vulnerability stems from insufficient input validation and output encoding mechanisms within the application's processing pipeline, creating an avenue for attackers to inject malicious code that can be executed by unsuspecting users. The unspecified vectors indicate that the vulnerability may manifest across multiple entry points within the application, potentially including user input fields, URL parameters, or API endpoints that handle user-supplied data without proper sanitization.
The technical implementation of this XSS vulnerability aligns with CWE-79 which categorizes cross-site scripting as a weakness where applications fail to properly validate or encode user-controllable data before incorporating it into dynamically generated web pages. This particular flaw allows attackers to inject malicious JavaScript code that can be executed in the browser context of authenticated users, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability's remote nature means that attackers can exploit it without requiring physical access to the system or local network presence, making it particularly dangerous in web-facing applications. The attack surface is broad since the unspecified vectors suggest multiple potential injection points throughout the application's architecture.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attacks including but not limited to session fixation, data exfiltration, and privilege escalation within the application environment. An attacker could leverage this vulnerability to steal user sessions, modify application behavior, or redirect users to phishing sites that appear legitimate. The persistence of this vulnerability across multiple versions indicates a fundamental flaw in the application's security architecture that was not adequately addressed through version updates, suggesting potential gaps in the development team's security testing procedures. Organizations utilizing SHIRASAGI in production environments face significant risk of unauthorized access and data compromise if this vulnerability remains unpatched.
Mitigation strategies for CVE-2022-29485 should prioritize immediate patching of affected systems with the vendor-provided security updates. Organizations should implement comprehensive input validation and output encoding mechanisms across all user-facing application components, following secure coding practices that align with OWASP Top Ten recommendations. Network segmentation and web application firewalls can provide additional layers of protection while patches are deployed. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application ecosystem. The vulnerability also highlights the importance of adhering to ATT&CK framework principles, particularly the reconnaissance and execution phases where attackers can leverage XSS vulnerabilities to establish persistent access. Security monitoring should include detection of suspicious script injection patterns and anomalous user behavior that may indicate exploitation attempts. Organizations should also consider implementing content security policies and strict input sanitization to prevent similar vulnerabilities from emerging in future application versions.