CVE-2021-24999
WordPress vulnerability analysis and mitigation

Overview

CVE-2021-24999 affects the Booster for WooCommerce WordPress plugin versions below 5.4.9. The vulnerability was discovered and publicly disclosed on December 1, 2021. It is a Reflected Cross-Site Scripting (XSS) vulnerability in the PDF Invoicing module of the plugin, with a CVSS score of 8.8 (high) (WPScan).

Technical details

The vulnerability exists because the plugin fails to properly sanitize and escape the 'wcj_notice' parameter before outputting it back in the admin dashboard when the PDF Invoicing module is enabled. This oversight allows for reflected cross-site scripting attacks. The vulnerability is classified as CWE-79 and falls under the OWASP Top 10 category A7: Cross-Site Scripting (XSS) (WPScan).

Impact

The vulnerability allows attackers to execute arbitrary JavaScript code in the context of the admin dashboard when the PDF Invoicing module is enabled. This could potentially lead to unauthorized actions being performed with administrator privileges (WPScan).

Mitigation and workarounds

The vulnerability has been fixed in version 5.4.9 of the Booster for WooCommerce plugin. Users are advised to update to this version or later to mitigate the security risk (WPScan).

Additional resources


SourceThis report was generated using AI

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