CVE-2026-25033 in Motta Addons Plugin
Summary
by MITRE • 03/25/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in uixthemes Motta Addons motta-addons allows Reflected XSS.This issue affects Motta Addons: from n/a through < 1.6.1.
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Analysis
by VulDB Data Team • 03/31/2026
The vulnerability CVE-2026-25033 represents a critical cross-site scripting flaw in the uixthemes Motta Addons plugin for WordPress, specifically impacting versions prior to 1.6.1. This reflected XSS vulnerability occurs during web page generation when the plugin fails to properly sanitize user input before incorporating it into dynamically generated web content. The flaw exists in the motta-addons component of the broader Motta theme ecosystem, which is widely used for WooCommerce storefronts and e-commerce implementations. The vulnerability stems from inadequate input validation and output encoding mechanisms within the plugin's codebase, creating a pathway for malicious actors to inject malicious scripts into web pages viewed by unsuspecting users.
The technical exploitation of this vulnerability involves crafting malicious input parameters that are then reflected back to users through the web application's response without proper sanitization. When a user visits a page containing the vulnerable parameter, the malicious script executes in their browser context, potentially stealing session cookies, redirecting to malicious sites, or performing unauthorized actions on behalf of the user. This type of vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic reflected cross-site scripting attack vector. The attack typically requires social engineering to convince victims to click on malicious links containing the crafted payload, though automated scanning tools can also identify and exploit such vulnerabilities.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable complete compromise of user sessions and potentially lead to unauthorized administrative access if users with elevated privileges interact with the malicious content. Attackers can leverage this vulnerability to perform account takeover attacks, modify website content, steal sensitive customer information, or use the compromised site as a launching point for further attacks within the network. The vulnerability affects not only individual user sessions but also the overall security posture of websites using the affected plugin, as reflected XSS attacks can persist across multiple user interactions and potentially compromise the entire WordPress installation if not properly addressed. Organizations running affected versions of the Motta Addons plugin face significant risk of data breaches and reputational damage.
Mitigation strategies for CVE-2026-25033 include immediate upgrading to version 1.6.1 or later, which contains the necessary patches to address the input sanitization issues. Security administrators should also implement additional protective measures such as Content Security Policy headers, input validation at multiple layers, and regular security scanning of web applications. The vulnerability aligns with ATT&CK technique T1531 which involves modifying or hijacking existing processes, and T1059 which covers command and scripting interpreters. Organizations should conduct comprehensive security assessments of their WordPress installations, review plugin and theme security practices, and implement proper input validation frameworks to prevent similar vulnerabilities. Regular updates and security monitoring are essential to maintain protection against evolving threats in the WordPress ecosystem, particularly given the widespread use of third-party plugins and themes that may contain unpatched vulnerabilities.