CVE-2024-29034: carrierwave XSS — Fix

Description

CarrierWave is a solution for file uploads for Rails, Sinatra and other Ruby web frameworks. The vulnerability CVE-2023-49090 wasn't fully addressed. This vulnerability is caused by the fact that when uploading to object storage, including Amazon S3, it is possible to set a Content-Type value that is interpreted by browsers to be different from what's allowed by `content_type_allowlist`, by providing multiple values separated by commas. This bypassed value can be used to cause XSS. Upgrade to 3.0.7 or 2.2.6.

Is your site exposed to CVE-2024-29034?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.8

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

CWE-436 CWE-436

Affected Products

Vendor	Product	Versions
carrierwave_project	carrierwave	< 2.2.6
carrierwave_project	carrierwave	3.0.0 — 3.0.7

References

Advisories & Patches

https://github.com/carrierwaveuploader/carrierwave/commit/25b1c800d45ef8e78dc445ebe3bd8a6e3f0a3477 https://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-vfmv-jfc5-pjjw https://github.com/carrierwaveuploader/carrierwave/commit/25b1c800d45ef8e78dc445ebe3bd8a6e3f0a3477 https://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-vfmv-jfc5-pjjw

Frequently Asked Questions

What is CVE-2024-29034? +

CarrierWave is a solution for file uploads for Rails, Sinatra and other Ruby web frameworks. The vulnerability CVE-2023-49090 wasn't fully addressed. This vulnerability is caused by the fact that when uploading to object storage, including Amazon S3, it is possible to set a Content-Type value that is interpreted by browsers to be different from what's allowed by `content_type_allowlist`, by providing multiple values separated by commas. This bypassed value can be used to cause XSS. Upgrade to 3.0.7 or 2.2.6. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2024-29034? +

CVE-2024-29034 has a CVSS v3.1 score of 6.8 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-2024-29034? +

CVE-2024-29034 affects products from carrierwave_project, specifically: carrierwave. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-29034? +

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.

Related Vulnerabilities

CVE-2026-40282

WeGIA is a web manager for charitable institutions. In versions prior to 3.6.10, a Stored Cross-Site Scripting (XSS) vulnerability allows …

CVE-2026-3317

Reflected Cross-Site Scripting (XSS) vulnerability in Navigate Content Management System. The vulnerability is present in the '/blog' endpoint because user …

CVE-2025-10354

Cross-Site Scripting (XSS) vulnerability reflected in Semantic MediaWiki. This vulnerability allows an attacker to execute JavaScript code in the victim's …

CVE-2026-41456

Bludit CMS prior to commit 6732dde contains a reflected cross-site scripting vulnerability in the search plugin that allows unauthenticated attackers …

CVE-2026-40872

mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the admin dashboard's Autodiscover …

CVE-2026-40878

mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the mailcow web interface …

CVE-2024-29034