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Vulnerability DatabaseCVE-2025-11878

CVE-2025-11878: 
WordPress vulnerability analysis and mitigation

Overview

The ST Categories Widget plugin version 1.0.0 and below for WordPress contains an authenticated Stored Cross-Site Scripting (XSS) vulnerability, identified as CVE-2025-11878. This vulnerability was discovered by researcher Gilang - DJ and publicly disclosed on October 21, 2025, with an update following on October 22, 2025. The vulnerability has been assigned a CVSS score of 6.4 (Medium severity) and affects users with Contributor level permissions or higher (Wordfence Intel).

Technical details

The vulnerability exists in the ST Categories Widget plugin for WordPress and allows authenticated users with Contributor or higher privileges to store and execute malicious JavaScript code. The issue has been assigned a medium severity CVSS score of 6.4, indicating a moderate level of risk (Wordfence Intel).

Impact

When exploited, this vulnerability could allow authenticated attackers with Contributor or higher level access to store and execute malicious JavaScript code on the affected WordPress sites. This could potentially lead to client-side attacks against site administrators and users (Wordfence Intel).

Mitigation and workarounds

Website administrators running the affected version of ST Categories Widget should update to a patched version if available, or consider removing the plugin if it is not essential to site operations (Wordfence Intel).

Additional resources

Source: This report was generated using AI

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