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Vulnerability DatabaseCVE-2023-4841

CVE-2023-4841: 
WordPress vulnerability analysis and mitigation

Overview

The Feeds for YouTube WordPress plugin (versions up to 2.1) contains a Stored Cross-Site Scripting vulnerability (CVE-2023-4841) discovered in September 2023. The vulnerability exists in the 'youtube-feed' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes (Wordfence Advisory).

Technical details

The vulnerability received a CVSS v3.1 base score of 5.4 (Medium) from NIST with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while Wordfence assigned it a score of 6.4 (Medium) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The issue stems from improper sanitization of user input in the shortcode attributes (NVD Database).

Impact

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

Mitigation and workarounds

Users should update to a patched version of the Feeds for YouTube WordPress plugin. The vulnerability has been addressed in versions after 2.1 (WordPress Plugin).

Additional resources

Source: This report was generated using AI

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