CVE-2022-0762 in microweber
Summary
by MITRE • 02/26/2022
Incorrect Authorization in GitHub repository microweber/microweber prior to 1.3.
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Analysis
by VulDB Data Team • 02/25/2026
The vulnerability identified as CVE-2022-0762 represents a critical authorization flaw within the microweber content management system repository prior to version 1.3. This issue falls under the category of improper access control, where the system fails to properly validate user permissions before granting access to sensitive functions or data. The vulnerability stems from inadequate authorization checks that allow unauthorized users to perform actions they should not be permitted to execute, creating a significant security risk for organizations utilizing this platform.
The technical implementation of this authorization bypass occurs due to insufficient validation mechanisms within the application's permission system. Attackers can exploit this weakness to gain elevated privileges or access restricted administrative functions without proper authentication. This flaw typically manifests when the application relies on client-side validation or fails to properly verify user roles and permissions at the server level. The vulnerability is particularly concerning as it affects the core authorization mechanisms that should protect sensitive operations and data within the CMS platform.
The operational impact of CVE-2022-0762 extends beyond simple unauthorized access, potentially enabling attackers to execute arbitrary code, modify critical system configurations, or exfiltrate sensitive data. Organizations using affected versions of microweber face risks including complete system compromise, data breaches, and potential regulatory violations. The vulnerability can be exploited by both authenticated and unauthenticated attackers depending on the specific implementation details, making it particularly dangerous in environments where the CMS is publicly accessible. This authorization flaw directly violates security principles outlined in the OWASP Top Ten and represents a violation of the principle of least privilege.
Mitigation strategies for this vulnerability require immediate patching to version 1.3 or later, which includes proper authorization checks and validation mechanisms. Organizations should implement comprehensive access control reviews and conduct security assessments to identify potential exploitation vectors. The fix typically involves strengthening server-side validation, implementing proper role-based access controls, and ensuring that all user actions are verified against appropriate permission levels. Security teams should also consider implementing network segmentation, monitoring for suspicious access patterns, and establishing incident response procedures to address potential exploitation attempts. This vulnerability aligns with CWE-285, which specifically addresses improper authorization issues, and represents a clear violation of the ATT&CK technique T1078 for valid accounts and T1484 for legitimate credentials.
The broader implications of this vulnerability highlight the importance of proper authorization implementation in web applications, particularly content management systems that handle sensitive user data and administrative functions. Organizations should adopt a defense-in-depth approach that includes regular security testing, code reviews focusing on access control mechanisms, and continuous monitoring of application behavior. The vulnerability demonstrates how seemingly simple authorization flaws can create cascading security issues that compromise entire systems. Regular updates and security patches remain critical for maintaining application integrity, as this particular flaw represents a failure in the security controls that should prevent unauthorized access to privileged functions.