CVE-2026-59557 in Events Made Easy Plugin
Summary
by MITRE • 07/27/2026
Unauthenticated Broken Access Control in Events Made Easy <= 3.1.3 versions.
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Analysis
by VulDB Data Team • 07/28/2026
The vulnerability identified as unauthenticated broken access control in Events Made Easy plugin versions up to 3.1.3 represents a critical security flaw that undermines the fundamental principle of access control within web applications. This issue stems from insufficient authentication checks on several endpoints, allowing any remote attacker to bypass normal authorization mechanisms and gain unauthorized access to sensitive functionality. The vulnerability is classified under CWE-285 which specifically addresses improper authorization scenarios in software systems.
The technical implementation of this flaw manifests through the plugin's failure to properly validate user credentials before executing administrative operations or accessing restricted data. Attackers can exploit this weakness by directly calling vulnerable endpoints without providing valid authentication tokens, session identifiers, or user credentials. This allows unauthorized individuals to perform actions such as creating, modifying, or deleting events, accessing protected event data, and potentially manipulating the underlying database through exposed application programming interfaces. The vulnerability exists because the plugin's access control logic does not adequately verify that requests originate from authenticated administrators.
The operational impact of this vulnerability extends beyond simple data exposure to encompass potential system compromise and data integrity violations. An attacker exploiting this flaw could gain complete control over event management functionality, potentially leading to denial of service conditions through excessive resource consumption or malicious event creation. The vulnerability also poses significant risks to data confidentiality as it allows unauthorized access to event details, attendee information, and other sensitive data that should remain protected. This type of broken access control vulnerability aligns with ATT&CK technique T1078 which covers valid accounts usage for persistence and privilege escalation.
Mitigation strategies for this vulnerability require immediate patching of the Events Made Easy plugin to versions containing proper authentication checks and access control mechanisms. Administrators should also implement network-level restrictions such as firewall rules that limit direct access to plugin endpoints, particularly those handling administrative functions. Additional protective measures include implementing strong authentication protocols, monitoring for unauthorized access attempts, and conducting regular security audits of installed plugins. The remediation process should involve verifying that all administrative endpoints properly validate user credentials before executing any privileged operations and ensuring that proper session management is implemented throughout the application.
This vulnerability demonstrates the critical importance of implementing defense-in-depth strategies in web applications, where multiple layers of security controls work together to prevent unauthorized access. The flaw exemplifies how insufficient input validation and authentication checks can create pathways for attackers to escalate privileges and compromise entire systems. Organizations should conduct comprehensive vulnerability assessments of their WordPress installations to identify similar issues in other plugins or themes that may expose similar access control weaknesses. Regular security updates and patch management processes become essential components of maintaining application integrity when dealing with such fundamental security flaws that affect core functionality and user data protection mechanisms.