CVE-2024-53679: vcl XSS — Fix

Description

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.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
apache	vcl	2.1 — 2.5.2

References

Advisories & Patches

https://lists.apache.org/thread/bq5vs0hndt9cz9b6rpfr5on1nd4qrmyr

Other References

http://www.openwall.com/lists/oss-security/2025/03/24/2

Frequently Asked Questions

What is CVE-2024-53679? +

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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-53679? +

CVE-2024-53679 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-53679? +

CVE-2024-53679 affects products from apache, specifically: vcl. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-53679? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-53679