CVE-2022-30604 in Office
Summary
by MITRE • 08/18/2022
Cross-site scripting vulnerability in the specific parameters of Cybozu Office 10.0.0 to 10.8.5 allows a remote attacker to inject an arbitrary script via unspecified vectors.
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Analysis
by VulDB Data Team • 09/18/2022
The vulnerability identified as CVE-2022-30604 represents a critical cross-site scripting flaw within Cybozu Office versions ranging from 10.0.0 through 10.8.5. This vulnerability resides in the handling of specific parameters within the application's web interface, creating a pathway for remote attackers to execute malicious scripts in the context of affected users' browsers. The flaw manifests when the application fails to properly sanitize or validate input parameters that are subsequently rendered in web pages without adequate escaping mechanisms. Such weaknesses typically arise from insufficient input validation and output encoding practices that are fundamental to preventing XSS attacks.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in software applications. The unspecified vectors mentioned in the description suggest that the vulnerability could be triggered through various parameter injection points within the Cybozu Office web interface, potentially including form fields, URL parameters, or API endpoints. Attackers could exploit this weakness by crafting malicious payloads that, when processed by the vulnerable application, would execute in the victim's browser context. This could enable attackers to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites.
The operational impact of CVE-2022-30604 extends beyond simple script execution, as it can facilitate more sophisticated attacks within the context of the compromised user's session. An attacker could leverage this vulnerability to establish persistent access to the application, potentially escalating privileges or accessing sensitive corporate data. The affected Cybozu Office versions suggest a broad attack surface, as these releases likely serve as the foundation for various business collaboration and document management workflows. Organizations relying on these versions face significant risk of unauthorized data access, session hijacking, and potential lateral movement within their network infrastructure.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected Cybozu Office installations to the latest available versions that address the XSS flaw. Organizations should also implement comprehensive input validation and output encoding mechanisms throughout their web applications, following established security practices such as those outlined in the OWASP Top Ten. Network segmentation and web application firewalls can provide additional protective layers, while regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications. The ATT&CK framework categorizes such vulnerabilities under the 'Command and Control' and 'Initial Access' phases, emphasizing the need for layered defense mechanisms to prevent exploitation of input validation weaknesses.