CVE-2010-0669 in MoinMoin
Summary
by MITRE
MoinMoin before 1.8.7 and 1.9.x before 1.9.2 does not properly sanitize user profiles, which has unspecified impact and attack vectors.
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Analysis
by VulDB Data Team • 05/01/2026
The vulnerability identified as CVE-2010-0669 affects MoinMoin wiki software versions prior to 1.8.7 and 1.9.x versions before 1.9.2, representing a critical security flaw in user profile sanitization mechanisms. This issue stems from inadequate input validation and sanitization processes within the application's profile handling functionality, creating potential attack vectors that could be exploited by malicious actors to manipulate user data or gain unauthorized access to system resources. The vulnerability's impact remains unspecified, indicating the severity could vary significantly depending on the specific implementation and deployment environment of the affected software.
The technical flaw manifests in the improper sanitization of user profile data, which allows attackers to inject malicious content or manipulate profile fields in ways that could compromise system integrity. This weakness falls under the broader category of insufficient input sanitization, a common vulnerability pattern that aligns with CWE-20, which addresses improper input validation. The vulnerability could potentially enable attackers to execute cross-site scripting attacks, manipulate user permissions, or exploit the system's trust in profile data to escalate privileges or gain unauthorized access to sensitive information. The lack of proper sanitization creates opportunities for attackers to inject malicious scripts, manipulate database entries, or exploit the trust relationship between the application and user profile data.
The operational impact of this vulnerability extends beyond simple data corruption, potentially allowing attackers to compromise user accounts, manipulate wiki content, or establish persistent access to the system. Attackers could exploit this weakness to inject malicious code into user profiles, which could then be executed when other users view those profiles, creating a vector for cross-site scripting attacks. The unspecified nature of the impact suggests that depending on the deployment configuration, this vulnerability could enable various attack scenarios including session hijacking, privilege escalation, or data exfiltration. Organizations using affected MoinMoin versions face significant risk of unauthorized access and potential system compromise through exploitation of this sanitization flaw.
Mitigation strategies for CVE-2010-0669 require immediate remediation through upgrading to MoinMoin versions 1.8.7 or 1.9.2 and later, which contain the necessary sanitization patches. System administrators should implement comprehensive input validation measures, including thorough sanitization of all user profile data before storage and display. The implementation of proper content security policies, input filtering, and output encoding techniques aligns with recommended practices for preventing similar vulnerabilities. Additionally, organizations should conduct security audits of existing user profile data to identify and remediate any potential malicious content that may have been injected prior to the patch deployment. Regular security testing and monitoring of user profile handling functionality should be implemented to detect and prevent similar vulnerabilities in future deployments, following established security frameworks such as those outlined in the ATT&CK framework for preventing privilege escalation and data manipulation attacks through user input handling.