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Vulnerability DatabaseCVE-2021-25008

CVE-2021-25008: 
WordPress vulnerability analysis and mitigation

Overview

The Code Snippets WordPress plugin versions prior to 2.14.3 contained a Reflected Cross-Site Scripting (XSS) vulnerability, identified as CVE-2021-25008. The vulnerability was discovered by Krzysztof Zając and was publicly disclosed on December 27, 2021 (WPScan).

Technical details

The vulnerability stems from improper input validation where the plugin fails to properly escape the 'snippets-safe-mode' parameter before outputting it back in attributes. This security flaw has been assigned a CVSS score of 7.5 (High) and is classified under CWE-79. The vulnerability falls under the OWASP Top 10 category A7: Cross-Site Scripting (XSS) (WPScan).

Impact

When exploited, this vulnerability could allow attackers to execute arbitrary JavaScript code in the context of the affected WordPress site's admin dashboard. This could potentially lead to unauthorized actions being performed on behalf of authenticated users viewing the malicious payload (WPScan).

Mitigation and workarounds

The vulnerability has been patched in version 2.14.3 of the Code Snippets plugin. Users are advised to update to this version or later to mitigate the security risk (WPScan).

Additional resources

Source: This report was generated using AI

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