CVE-2023-49090

CarrierWave has a content-type allowlist bypass vulnerability, possibly leading to XSS

Description

CarrierWave is a solution for file uploads for Rails, Sinatra and other Ruby web frameworks. CarrierWave has a Content-Type allowlist bypass vulnerability, possibly leading to XSS. The validation in `allowlisted_content_type?` determines Content-Type permissions by performing a partial match. If the `content_type` argument of `allowlisted_content_type?` is passed a value crafted by the attacker, Content-Types not included in the `content_type_allowlist` will be allowed. This issue has been patched in versions 2.2.5 and 3.0.5.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.14%
Vendor Advisory github.com
Affected: carrierwaveuploader carrierwave
Published at:
Updated at:

References

Link Tags
https://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-gxhx-g4fq-49hj vendor advisory
https://github.com/carrierwaveuploader/carrierwave/commit/39b282db5c1303899b3d3381ce8a837840f983b5 patch
https://github.com/carrierwaveuploader/carrierwave/commit/863d425c76eba12c3294227b39018f6b2dccbbf3 patch

Frequently Asked Questions

What is the severity of CVE-2023-49090?
CVE-2023-49090 has been scored as a medium severity vulnerability.
How to fix CVE-2023-49090?
To fix CVE-2023-49090, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-49090 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-49090 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-49090?
CVE-2023-49090 affects carrierwaveuploader carrierwave.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.