CVE-2024-2033 in Video Conferencing with Zoom Plugin
Summary
by MITRE • 04/09/2024
The Video Conferencing with Zoom plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.4.5 via the get_assign_host_id AJAX action. This makes it possible for authenticated attackers, with subscriber access or higher, to enumerate usernames, emails and IDs of all users on a site.
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Analysis
by VulDB Data Team • 04/14/2026
The Video Conferencing with Zoom plugin for WordPress presents a significant security vulnerability classified as CVE-2024-2033, affecting all versions up to and including 4.4.5. This vulnerability stems from improper access controls within the plugin's get_assign_host_id AJAX action, which exposes sensitive user information to authenticated attackers. The flaw specifically targets the plugin's handling of user data during video conference host assignment processes, creating an information disclosure channel that bypasses normal WordPress user permission mechanisms. Security researchers have identified this as a critical exposure point where legitimate plugin functionality becomes a vector for unauthorized data enumeration.
The technical implementation of this vulnerability resides in the plugin's AJAX endpoint handling, where the get_assign_host_id action fails to properly validate user permissions before returning user metadata. Attackers with subscriber-level access or higher can exploit this flaw by making targeted AJAX requests to the vulnerable endpoint, which then responds with comprehensive user information including usernames, email addresses, and unique user IDs. This exposure occurs because the plugin's code does not adequately verify whether the requesting user has legitimate authorization to access the specific user data being requested. The vulnerability represents a clear violation of the principle of least privilege, where the system provides access to information beyond what is strictly necessary for the intended functionality.
From an operational impact perspective, this vulnerability creates substantial risk for WordPress sites utilizing the Zoom plugin, as it enables attackers to build comprehensive user profiles and potentially identify high-value targets within the organization. The enumeration capability allows threat actors to gather intelligence about user roles, email patterns, and user base composition, which can facilitate subsequent attacks such as credential harvesting, social engineering campaigns, or targeted phishing attempts. The vulnerability affects not only individual user privacy but also organizational security posture, as the exposed information can be used to map user relationships, identify administrative accounts, and plan more sophisticated attack vectors. This information exposure can lead to cascading security issues where initial enumeration leads to privilege escalation or additional compromise opportunities.
The vulnerability aligns with CWE-200 (Information Exposure) and represents a specific implementation weakness in the plugin's access control mechanisms. From an ATT&CK framework perspective, this vulnerability maps to T1087.001 (Account Discovery - Local Account) and T1566 (Phishing) as it enables attackers to gather user information that can be leveraged for further compromise. Organizations should immediately implement mitigations including plugin version updates to the latest secure release, implementing additional access controls through custom code or security plugins, and monitoring for suspicious AJAX requests to the vulnerable endpoint. The recommended remediation strategy involves patching to version 4.4.6 or later, where the plugin properly validates user permissions before returning user metadata, and conducting comprehensive security audits of all installed plugins to identify similar access control weaknesses. Additionally, administrators should consider implementing rate limiting on AJAX endpoints and monitoring for unusual patterns of user data access that could indicate exploitation attempts.