CVE-2026-123465 in myCred Plugin
Summary
by MITRE • 11/09/2026
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in myCred myCred mycred allows Retrieve Embedded Sensitive Data.This issue affects myCred: from n/a through 4.0.2.
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Analysis
by VulDB Data Team • 11/09/2026
The vulnerability identified as CWE-200, Exposure of Sensitive Information to an Unauthorized Actor, represents a critical security flaw within the myCred plugin ecosystem for WordPress platforms. This specific weakness allows unauthorized entities or attackers with limited privileges to retrieve embedded sensitive data from the system. The root cause lies in how the application handles and exposes internal state information, configuration details, or user-specific metrics that are not intended for public consumption or access by users lacking administrative rights. In the context of myCred, which is a gamification plugin used to award points, badges, and ranks to users based on their activity, this flaw likely pertains to API endpoints or database queries that fail to enforce proper authorization checks before returning data related to user rankings, point balances, or internal system configurations.
From an operational perspective, the exploitation of this vulnerability can lead to significant privacy violations and potential further compromise of the web application environment. Attackers can leverage this information disclosure to map out the user base, identify high-value targets such as administrators or power users with substantial points or ranks, and gather intelligence that aids in more sophisticated attacks like credential stuffing or social engineering. The exposure of embedded sensitive data may also reveal internal logic regarding how rewards are calculated or distributed, which could be exploited to manipulate gamification mechanics for personal gain or to disrupt the integrity of the community engagement features provided by myCred. This aligns with ATT&CK technique T1087, Account Discovery, as attackers often seek such information to understand the structure and hierarchy within a compromised system before proceeding to lateral movement or privilege escalation.
The affected versions span from n/a through 4.0.2 of the myCred plugin, indicating that this is a longstanding issue present in multiple releases prior to the patched version. Organizations relying on these older iterations are at immediate risk if they have not implemented compensating controls such as strict input validation or enhanced logging mechanisms. The lack of proper access control checks allows any authenticated user, and potentially unauthenticated users depending on the specific implementation details of the endpoint, to query sensitive endpoints that should be restricted. This failure in enforcing least privilege principles is a common pattern in legacy web application code where security assumptions are not rigorously validated against evolving threat landscapes.
To mitigate this vulnerability, administrators must immediately upgrade myCred to version 4.0.3 or later, which contains the necessary patches to enforce proper authorization checks on data retrieval operations. Until an upgrade can be performed, it is advisable to restrict access to WordPress admin areas using IP whitelisting and multi-factor authentication to reduce the attack surface. Additionally, implementing a Web Application Firewall with rules specifically targeting known exploitation patterns for information disclosure vulnerabilities in myCred can provide a layer of defense-in-depth. Regular security audits and code reviews focusing on API endpoint permissions are recommended to ensure that no other similar flaws exist within the plugin or its integrations with other WordPress themes and plugins.