CVE-2024-6346
WordPress vulnerability analysis and mitigation

Overview

The Gutenberg Blocks, Page Builder – ComboBlocks plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2024-6346) discovered in August 2024. The vulnerability affects all versions up to and including 2.2.85a, specifically in the redirectURL parameter of the Date Countdown widget (NVD).

Technical details

The vulnerability stems from insufficient input sanitization and output escaping on user-supplied attributes in the redirectURL parameter of the Date Countdown widget. The issue has been assigned a CVSS v3.1 base score of 6.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

Impact

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

Mitigation and workarounds

Users should update to a version newer than 2.2.85a of the ComboBlocks plugin to address this vulnerability (NVD).

Additional resources


SourceThis report was generated using AI

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