CVE-2024-32795 in WPCal.io Plugin
Summary
by MITRE • 04/24/2024
Cross-Site Request Forgery (CSRF) vulnerability in Revmakx WPCal.Io – Easy Meeting Scheduler.This issue affects WPCal.Io – Easy Meeting Scheduler: from n/a through 0.9.5.8.
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Analysis
by VulDB Data Team • 04/03/2025
The CVE-2024-32795 vulnerability represents a critical cross-site request forgery flaw within the Revmakx WPCal.Io – Easy Meeting Scheduler plugin, a WordPress-based scheduling solution that facilitates online meeting arrangements. This vulnerability arises from the plugin's insufficient validation of HTTP request origins and lack of proper anti-CSRF token implementation in its administrative functions. The affected version range spans from the initial release through version 0.9.5.8, indicating that all iterations within this spectrum remain susceptible to exploitation. The vulnerability stems from the plugin's failure to properly verify the source of incoming requests, particularly when performing administrative operations such as scheduling meetings, modifying settings, or managing user accounts. This weakness allows malicious actors to craft deceptive requests that appear legitimate to the WordPress application, thereby bypassing standard authentication mechanisms.
The technical exploitation of this CSRF vulnerability occurs when an authenticated administrator visits a malicious website or clicks on a compromised link that contains embedded requests targeting the vulnerable plugin's endpoints. Without proper CSRF protection measures such as unique tokens or referer header validation, the WordPress application processes these unauthorized requests as if they originated from the legitimate administrator. The flaw specifically manifests in the plugin's handling of administrative actions that modify meeting schedules, user permissions, or system configurations. This vulnerability directly maps to CWE-352, which defines Cross-Site Request Forgery as a security weakness where an attacker tricks a victim into performing actions they did not intend to execute. The issue also aligns with ATT&CK technique T1078.004, which covers valid accounts used for unauthorized access, as the exploitation leverages legitimate administrator sessions without requiring credential theft.
The operational impact of this vulnerability extends beyond simple data manipulation, potentially enabling attackers to compromise entire meeting scheduling systems and access sensitive organizational information. An attacker could schedule unauthorized meetings, modify existing appointments, delete critical scheduling data, or alter user permissions within the system. The vulnerability's severity increases when considering that WordPress administrators often possess elevated privileges and may have access to confidential scheduling information, including personal contact details, meeting agendas, and organizational calendars. Successful exploitation could lead to disruption of business operations, unauthorized access to sensitive meeting data, and potential cascading effects on other connected systems. The vulnerability particularly affects organizations that rely heavily on automated scheduling processes and may have limited security monitoring in place for third-party plugins.
Mitigation strategies for CVE-2024-32795 require immediate action from system administrators to update to the latest version of the WPCal.Io – Easy Meeting Scheduler plugin where the CSRF protection has been properly implemented. Organizations should also implement additional defensive measures such as network-level filtering to prevent unauthorized access to administrative endpoints, regular security audits of installed plugins, and monitoring for suspicious administrative activities. The implementation of proper CSRF token validation mechanisms, including the use of anti-CSRF tokens that are unique per session and validated on each request, should be enforced. Additionally, organizations should consider implementing web application firewalls to detect and block suspicious request patterns, establish robust plugin management policies, and conduct regular security assessments to identify similar vulnerabilities in other installed components. Security teams should also ensure that administrative access is restricted to trusted networks and that multi-factor authentication is implemented for all administrative accounts to reduce the overall risk exposure.