CVE-2018-9206 Unrestricted Upload of File with Dangerous Type in blueimp-file-upload

Critical 9.8 Published Updated

Unauthenticated attackers can upload arbitrary files to execute code on systems using the vulnerable jQuery File Upload library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2018-9206?

CVE-2018-9206 is a critical vulnerability in Blueimp jQuery-File-Upload, published on 11 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated arbitrary file upload vulnerability in Blueimp jQuery-File-Upload <= v9.22.0

Weakness: CWE-434

Which versions are affected by CVE-2018-9206?

2 open source packages ship an affected version, including blueimp-file-upload. It affects 1 product.

PackageAffectedFixed in
blueimp-file-upload npmAll versions9.22.1
blueimp-file-upload npmAll versions9.22.1

Products include Jquery File Upload Project Jquery File Upload.

How do I fix CVE-2018-9206?

Upgrade blueimp-file-upload to 9.22.1 or later.

Is CVE-2018-9206 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-9206 exists.

Public exploit code: 1 Metasploit module, 4 Exploit-DB entries, 1 Nuclei template and 6 proofs of concept on GitHub.

Sources

Also known as CVE-2025-63994, DEBIAN-CVE-2018-9206, GHSA-4cj8-g9cp-v5wr, UBUNTU-CVE-2018-9206.

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