Vulnerability DatabaseCVE-2025-5533

CVE-2025-5533:
WordPress vulnerability analysis and mitigation

Overview

The Knowledge Base plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2025-5533) in versions up to and including 2.3.0. The vulnerability exists in the plugin's 'kbalert' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes (NVD).

Technical details

The vulnerability is classified as a Cross-Site Scripting (CWE-79) issue with a CVSS v3.1 Base Score of 6.4 (MEDIUM) and vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The issue stems from improper neutralization of input during web page generation, specifically in the handling of the 'kbalert' shortcode attributes (NVD).

Impact

When exploited, this vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page (NVD).

Mitigation and workarounds

The vulnerability has been patched in version 2.3.1 of the Knowledge Base plugin. Users are advised to update to this version immediately. The update includes security fixes that properly sanitize arguments passed to the shortcodes (WordPress Plugin).

Additional resources

Source: This report was generated using AI

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