CVE-2026-63684 in Content Templater
Summary
by MITRE • 07/23/2026
Administrator actions, editor popups and import/export requests lacked consistent token, item-permission and input-validation checks. Unauthorized backend users or CSRF attacks could expose, create or modify extension configuration and items.
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Analysis
by VulDB Data Team • 07/23/2026
This vulnerability represents a critical authorization and validation weakness in backend systems that affects administrative functions across multiple operational domains. The absence of consistent token validation mechanisms creates persistent entry points for unauthorized actors to manipulate extension configurations and system items through various attack vectors including cross-site request forgery attacks. The flaw manifests as insufficient input validation checks that allow malicious users to bypass standard permission controls, potentially enabling them to execute actions they should not be authorized to perform within the administrative interface. This vulnerability directly maps to CWE-863, representing an authorization bypass where attackers can perform actions beyond their intended privileges due to inadequate access control enforcement.
The technical implementation of this weakness spans across multiple system components including administrator action handlers, editor popup interfaces, and import/export request processors. These interfaces fail to maintain consistent security checks that should validate user authenticity through proper token verification mechanisms before executing any administrative operations. The vulnerability is particularly concerning because it affects core administrative functions that typically require strict authorization controls to prevent unauthorized modifications to system configurations. Attackers exploiting this weakness could leverage CSRF techniques to trick authenticated users into performing unintended administrative actions, or they could directly manipulate backend requests to bypass the normal permission validation flow.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential system compromise through configuration manipulation. Unauthorized users could modify extension settings that control system behavior, potentially creating backdoors or disabling security features. The exposure of sensitive administrative functions through inconsistent validation creates a persistent risk where attackers can repeatedly exploit different entry points within the same system. This weakness undermines the principle of least privilege by allowing actors to perform operations they should not be authorized to execute, potentially leading to complete system takeover scenarios.
Security mitigations for this vulnerability must address the fundamental lack of consistent validation across all administrative interfaces. Implementing robust token-based authentication mechanisms with proper session management ensures that each administrative action requires valid authorization tokens before execution. Input validation controls should be standardized across all request handlers and enforced at multiple layers including front-end form validation, backend processing checks, and database-level input sanitization. The system architecture should enforce mandatory permission verification for every administrative operation regardless of the entry point used by the user. Additionally implementing proper CSRF protection measures through anti-forgery tokens and validating referer headers can prevent unauthorized request execution. Organizations should also consider implementing automated security scanning tools to identify similar validation gaps in other system components, as this type of vulnerability often exists across multiple interfaces within complex applications. The remediation approach should align with NIST cybersecurity framework principles for access control management and follow established practices from the OWASP Top Ten project that specifically address authorization bypass vulnerabilities.