CVE-2025-11992 in Multi Item Responsive Slider Plugin
Summary
by MITRE • 10/24/2025
The Multi Item Responsive Slider plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the 'mioptions.php' page. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 10/24/2025
The vulnerability identified as CVE-2025-11992 affects the Multi Item Responsive Slider WordPress plugin, specifically targeting versions up to and including 1.0. This represents a critical security weakness that exposes WordPress sites to unauthorized modifications through cross-site request forgery attacks. The vulnerability stems from inadequate security controls within the plugin's administrative interface, creating a pathway for malicious actors to manipulate plugin settings without proper authentication.
The technical flaw manifests in the absence of proper nonce validation on the mioptions.php page, which serves as the administrative settings interface for the slider plugin. Nonces represent cryptographic tokens that verify the authenticity of administrative actions within WordPress systems, ensuring that requests originate from legitimate administrators rather than malicious third parties. Without this validation mechanism, attackers can craft malicious requests that appear to come from authenticated administrators, bypassing fundamental WordPress security controls designed to prevent unauthorized modifications to site configuration.
The operational impact of this vulnerability extends beyond simple configuration changes, as it enables attackers to inject malicious web scripts into the affected WordPress installation. This capability allows for the execution of arbitrary code within the context of the administrator's session, potentially leading to complete site compromise. The vulnerability's exploitation requires minimal prerequisites since it targets unauthenticated attackers who can trick administrators into clicking malicious links, making it particularly dangerous in environments where administrators frequently interact with external content or email links.
This vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in web applications. The flaw also maps to ATT&CK technique T1059.007, which covers the execution of scripts through web-based attacks, and T1566, which encompasses social engineering tactics used to trick users into executing malicious actions. The combination of these attack vectors creates a comprehensive threat model where attackers can leverage both technical weaknesses in the plugin and human factors to achieve unauthorized access and code execution.
Organizations should immediately implement mitigations including updating to the latest plugin version if available, implementing additional security measures such as web application firewalls, and conducting thorough security audits of all installed WordPress plugins. Site administrators should also exercise heightened caution when clicking external links and consider implementing role-based access controls to limit the scope of potential damage from successful attacks. The vulnerability demonstrates the critical importance of proper nonce implementation in WordPress plugin development and serves as a reminder of the risks associated with outdated or poorly secured third-party components in web applications.