CVE-2024-53679: Apache Vcl

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache VCL in the User Lookup form. A user with sufficient rights to be able to view this part of the site can craft a URL or be tricked in to clicking a URL that will give a specified user elevated rights. This issue affects all versions of Apache VCL through 2.5.1. Users are recommended to upgrade to version 2.5.2, which fixes the issue.

Affected products

• Apache Vcl: from 2.1, before 2.5.2 (fixed in 2.5.2)

Published 2025-03-25. Last modified 2026-06-17.