CVE-2024-54138: nugetgallery XSS — Fix

Description

NuGet Gallery is a package repository that powers nuget.org. The NuGetGallery has a security vulnerability related to its handling of autolinks in Markdown content. While the platform properly filters out JavaScript from standard links, it does not adequately sanitize autolinks. This oversight allows attackers to exploit autolinks as a vector for Cross-Site Scripting (XSS) attacks. This vulnerability is fixed in 2024.12.06.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
microsoft	nugetgallery	< 2024.12.06

References

Advisories & Patches

https://github.com/NuGet/NuGetGallery/pull/10296 https://github.com/NuGet/NuGetGallery/security/advisories/GHSA-x448-p234-x5p8

Frequently Asked Questions

What is CVE-2024-54138? +

NuGet Gallery is a package repository that powers nuget.org. The NuGetGallery has a security vulnerability related to its handling of autolinks in Markdown content. While the platform properly filters out JavaScript from standard links, it does not adequately sanitize autolinks. This oversight allows attackers to exploit autolinks as a vector for Cross-Site Scripting (XSS) attacks. This vulnerability is fixed in 2024.12.06. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-54138? +

CVE-2024-54138 has a CVSS v3.1 score of 6.1 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-2024-54138? +

CVE-2024-54138 affects products from microsoft, specifically: nugetgallery. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-54138? +

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-2024-54138