CVE-2026-105073 in WP Event Solution Plugin
Summary
by MITRE • 10/05/2026
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Arraytics WP Event Solution wp-event-solution allows Retrieve Embedded Sensitive Data.This issue affects WP Event Solution: from n/a through 4.1.25.
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Analysis
by VulDB Data Team • 10/05/2026
The vulnerability identified within the Arraytics WP Event Solution plugin, specifically affecting versions up to and including 4.1.25, represents a critical failure in access control mechanisms that leads to the unauthorized exposure of sensitive system information. This flaw allows an attacker who is not authenticated or lacks sufficient privileges to retrieve embedded data that should remain confidential. The core technical issue stems from improper implementation of authorization checks on endpoints or functions within the plugin's codebase. When these controls are bypassed, internal application logic exposes configuration details, database credentials, user session tokens, or other proprietary information directly to external actors without requiring valid administrative credentials or proper input validation.
From a classification perspective, this vulnerability aligns with CWE-200: Exposure of Sensitive Information to an Unauthorized Actor and falls under the broader category of CWE-862: Missing Authorization. In terms of offensive security frameworks such as MITRE ATT&CK, this behavior is consistent with techniques found in T1537: Transfer Data to Cloud Account or T1005: Data from Local System, where an adversary leverages misconfigured permissions to extract valuable intelligence that can facilitate further attacks. The presence of embedded sensitive data suggests that the application may be storing critical parameters directly within client-side scripts, API responses, or hidden form fields without adequate encryption or access restrictions, thereby creating a direct pathway for information disclosure.
The operational impact of this vulnerability is significant as it serves as an initial vector for more severe compromises. By accessing exposed system information, attackers can map the internal architecture of the WordPress environment, identify potential entry points for SQL injection or remote code execution, and harvest credentials that may be reused across other services due to poor password hygiene practices common in web administration. This disclosure undermines the confidentiality integrity required for secure application operation and can lead to complete site takeover if combined with other weaknesses such as insecure direct object references or broken authentication logic. The lack of proper isolation between administrative functions and public-facing interfaces exacerbates the risk, allowing low-privilege users or anonymous visitors to interact with sensitive backend processes.
Mitigation strategies must focus on enforcing strict access controls and securing data transmission channels immediately. Administrators should upgrade the WP Event Solution plugin to a version where this vulnerability has been patched by Arraytics, ensuring that all authorization checks are properly implemented for every endpoint handling sensitive data. In addition to updating software, it is advisable to implement Web Application Firewall rules that detect and block requests attempting to access known vulnerable endpoints or extract encoded payloads indicative of information gathering attacks. Developers should also review the codebase to ensure that no sensitive configuration details are embedded in publicly accessible files or API responses without proper authentication middleware. Regular security audits and penetration testing focused on authorization bypasses will help maintain a robust defense posture against similar exposure risks in future updates.