CVE-2025-62893 in Create Plugin
Summary
by MITRE • 10/27/2025
Authorization Bypass Through User-Controlled Key vulnerability in mediavine Create by Mediavine mediavine-create allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Create by Mediavine: from n/a through <= 1.9.14.
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Analysis
by VulDB Data Team • 06/26/2026
This vulnerability represents a critical authorization bypass flaw classified as CWE-285, where an attacker can manipulate access control mechanisms through user-controlled input parameters. The issue exists within the mediavine-create component of the Create by Mediavine platform, specifically affecting versions up to and including 1.9.14. The vulnerability stems from incorrectly configured access control security levels that allow unauthorized users to bypass legitimate authentication and authorization checks.
The technical implementation flaw occurs when the application fails to properly validate user inputs that control access permissions or keys used for authorization decisions. Attackers can exploit this by crafting malicious requests that manipulate key parameters, effectively impersonating authorized users or accessing restricted resources without proper credentials. This misconfiguration creates a pathway where user-controlled data directly influences the authorization logic, enabling privilege escalation and unauthorized access to sensitive functionality.
The operational impact of this vulnerability is severe as it allows attackers to bypass authentication mechanisms entirely, potentially gaining access to administrative functions, user data, or system resources that should be restricted. The vulnerability affects all users of the affected versions, making it particularly dangerous in environments where multiple users interact with the platform. Attackers could exploit this to perform actions such as modifying content, accessing confidential information, or executing unauthorized operations within the mediavine-create environment.
This issue aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation through improper access control configuration. The vulnerability enables adversaries to maintain persistent access by bypassing authentication mechanisms that should protect system integrity and data confidentiality. Organizations using affected versions of mediavine-create are at risk of unauthorized data access, potential data manipulation, and compromised system security.
Mitigation strategies include immediate patching to version 1.9.15 or later where the authorization bypass has been resolved. Security teams should also implement additional monitoring for unusual access patterns and parameter manipulation attempts. Organizations should review their access control configurations to ensure that user inputs are properly validated and sanitized before being used in authorization decisions. The implementation of principle of least privilege access controls and regular security audits can help prevent similar misconfigurations from occurring in other components of the system.