CVE-2026-25403 in Ultimate Store Kit Elementor Addons Plugin
Summary
by MITRE • 08/06/2026
Unauthenticated Broken Access Control in Ultimate Store Kit Elementor Addons <= 3.0.5 versions.
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Analysis
by VulDB Data Team • 08/06/2026
The vulnerability identified as unauthenticated broken access control in Ultimate Store Kit Elementor Addons versions up to 3.0.5 represents a critical security flaw that undermines the fundamental principle of access control within web applications. This issue allows attackers to bypass authentication mechanisms and gain unauthorized access to administrative functions and sensitive data without requiring valid credentials. The vulnerability stems from improper validation of user permissions and session management within the plugin's codebase, creating pathways for malicious actors to exploit the system's authorization controls.
The technical implementation of this flaw manifests through insufficient input validation and inadequate permission checking routines within the plugin's core functionality. Attackers can leverage this weakness by crafting specific requests that target administrative endpoints or sensitive data retrieval functions. The vulnerability exists because the plugin fails to properly verify whether a user possesses appropriate privileges before executing privileged operations. This allows unauthorized users to perform actions typically restricted to administrators, including but not limited to modifying store settings, accessing customer data, managing products, and manipulating plugin configurations.
The operational impact of this vulnerability extends beyond simple privilege escalation, potentially enabling comprehensive system compromise when combined with other attack vectors. An attacker exploiting this flaw can gain full administrative control over the affected WordPress site, leading to data breaches, unauthorized modifications, and potential lateral movement within network environments. The severity is amplified by the fact that this affects a widely used plugin, increasing the attack surface and potential impact across numerous websites. Organizations running vulnerable versions face significant risk of unauthorized access to e-commerce data, customer information, and overall site integrity compromise.
Security professionals should implement immediate mitigations including updating to the latest version of Ultimate Store Kit Elementor Addons where the vulnerability has been patched, as well as conducting thorough security audits of all installed plugins and themes. Additional protective measures include implementing web application firewalls, monitoring for suspicious API requests, and establishing robust access control policies. This vulnerability aligns with CWE-285 which addresses improper authorization in software systems, and represents a clear violation of the principle of least privilege. The attack pattern follows typical ATT&CK techniques related to privilege escalation and credential access, making it particularly dangerous in environments where multiple users interact with the same system resources.
Organizations should also consider implementing automated patch management processes and regular security scanning to identify similar vulnerabilities across their software ecosystem. The remediation process requires not only updating the vulnerable plugin but also reviewing other components for similar authorization flaws. Security teams must establish incident response protocols specifically addressing access control breaches, as these vulnerabilities often serve as entry points for more sophisticated attacks targeting sensitive business data and infrastructure resources.