CVE-2025-69331 in Theater for WordPress Plugin
Summary
by MITRE • 01/06/2026
Missing Authorization vulnerability in Jeroen Schmit Theater for WordPress theatre allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Theater for WordPress: from n/a through <= 0.19.
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Analysis
by VulDB Data Team • 01/07/2026
The vulnerability identified as CVE-2025-69331 represents a critical missing authorization flaw within the Jeroen Schmit Theater for WordPress plugin, specifically impacting versions ranging from the initial release through version 0.19. This security weakness stems from incorrectly configured access control security levels that permit unauthorized users to exploit functionality that should be restricted to privileged administrators. The issue manifests as a failure in the plugin's authorization mechanisms, where proper access controls are not enforced for sensitive operations or data access points.
The technical implementation of this vulnerability resides in the plugin's permission handling system where certain administrative functions lack adequate validation checks. Attackers can exploit this misconfiguration to perform actions that require administrator privileges without possessing the necessary credentials or authorization levels. This misconfiguration aligns with CWE-285, which addresses improper authorization within software systems, and represents a fundamental breakdown in the principle of least privilege that should govern all access control implementations. The vulnerability essentially allows for privilege escalation through unauthorized access to administrative interfaces or data manipulation capabilities.
From an operational impact perspective, this vulnerability creates significant security risks for WordPress installations using the affected Theater plugin. An attacker who can exploit this missing authorization check gains access to administrative functions that may include event management, ticket configuration, user role modifications, or other sensitive operational capabilities. The attack surface expands beyond simple data theft to include potential system compromise through manipulation of core plugin functionality. This weakness can be leveraged to alter performance schedules, modify ticket pricing, or even delete critical theater-related content, depending on the specific administrative functions exposed by the plugin.
The exploitation of this vulnerability typically requires minimal technical skill as it relies on the absence of proper access control enforcement rather than complex attack vectors. Attackers can potentially abuse this flaw through direct manipulation of plugin endpoints or by exploiting web application vulnerabilities that allow them to bypass normal authentication flows. This vulnerability demonstrates the critical importance of implementing robust access control mechanisms and adheres to ATT&CK technique T1078 which covers valid accounts and credential access. Organizations using the affected plugin should immediately implement mitigations including updating to patched versions, implementing additional access controls, or temporarily disabling the plugin until proper updates are applied.
Mitigation strategies should focus on immediate remediation through plugin updates to versions that address the authorization flaw, combined with network-level access controls to restrict access to administrative interfaces. Security administrators should also implement monitoring for unusual access patterns or unauthorized administrative activities within their WordPress installations. The vulnerability highlights the necessity of regular security assessments and proper configuration management to prevent such authorization failures from occurring in production environments. Organizations should consider implementing automated patch management systems to ensure timely deployment of security updates and maintain comprehensive audit trails for all administrative activities within their WordPress platforms.