CVE-2026-12981 in CAFEHAUS API Plugin
Summary
by MITRE • 07/24/2026
The CAFEHAUS API WordPress plugin through 1.0.0 does not have any authentication or authorisation when updating user passwords, allowing unauthenticated attackers to set the password of any user, including administrators, and fully take over their accounts.
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Analysis
by VulDB Data Team • 07/24/2026
The CAFEHAUS API WordPress plugin version 1.0.0 contains a critical security flaw that fundamentally undermines user account protection mechanisms through the absence of proper authentication and authorization controls during password update operations. This vulnerability creates an arbitrary code execution and privilege escalation scenario that allows any remote attacker to manipulate user credentials without requiring valid authentication tokens or administrative privileges.
The technical implementation of this flaw resides in the plugin's password update endpoint which fails to validate whether the request originates from an authenticated user with appropriate authorization levels. According to CWE-287, this represents a direct violation of proper authentication requirements where the system accepts privileged operations without verifying the identity and authorization status of the requesting entity. The vulnerability specifically manifests when the API endpoint processes password modification requests, accepting parameters that directly modify user account credentials without implementing any session validation or role-based access controls.
This security gap creates severe operational impact for WordPress installations using the affected plugin, as it enables complete account takeover scenarios where attackers can gain administrative control over any user account within the system. The implications extend beyond simple credential theft to include full system compromise since administrators possess elevated privileges that allow modification of core system files, plugin configurations, and access to sensitive data repositories. Attackers can leverage this vulnerability to establish persistent backdoors, exfiltrate confidential information, or deploy malicious payloads throughout the compromised environment.
The attack surface for this vulnerability is particularly concerning given that WordPress installations often serve as central hubs for content management and user interaction, making them prime targets for exploitation. According to ATT&CK framework category T1078, this vulnerability enables legitimate accounts usage, allowing attackers to operate under assumed identities without raising immediate detection flags. The lack of authentication checks means that threat actors can systematically target administrator accounts, potentially compromising entire organizational systems if multiple administrators exist within the same installation.
Organizations should immediately implement mitigation strategies including plugin removal or updating to versions that address the authentication gap, implementing network-level restrictions on API endpoints, and deploying comprehensive monitoring solutions to detect unauthorized password modification attempts. Additionally, security teams should conduct thorough assessments of all installed WordPress plugins to identify similar authentication bypass vulnerabilities, while ensuring proper input validation and output encoding practices are implemented throughout the application's architecture. The vulnerability highlights the critical importance of implementing robust access control mechanisms and demonstrates how even seemingly minor functionality flaws can create significant security risks in web applications.