CVE-2018-9206
CriticalExploitedPublic exploitUnrestricted Upload of File with Dangerous Type in blueimp-file-upload
Published Oct 22, 2018 · Updated Aug 14, 2026 · Also known as 4e9c5e89-9ead-477b-980b-9e48969ad0cf, DEBIAN-CVE-2018-9206, GHSA-4cj8-g9cp-v5wr, UBUNTU-CVE-2018-9206
Key Facts
Patch immediately- CVE-2018-9206 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Jquery File Upload (Jquery File Upload Project), libjs-jquery-file-upload (debian), blueimp-file-upload (npm) and 2 more products.
- It is exploited in the wild, listed in Industry KEV feed since May 9, 2015. Public exploit code is available.
- EPSS estimates a 97% probability of exploitation in the next 30 days.
- Fixed versions are available, including blueimp-file-upload 9.22.1, Jquery File Upload <=9.22.0, libjs-jquery-file-upload 9.19.1-1ubuntu0.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
97%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2018-9206 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Unauthenticated arbitrary file upload vulnerability in Blueimp jQuery-File-Upload <= v9.22.0
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | May 9, 2015 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
16 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Jquery File UploadJquery File Upload Project | See advisory | 9.22.0 |
| libjs-jquery-file-uploaddebian | See advisory | 9.25.0-1 |
| blueimp-file-uploadnpm | See advisory | 9.22.1 |
| tajerwordpress-plugin | See advisory | n/a |
| Blueimp jQuery-File-Upload | >= unspecified | n/a |
Patched Releases
blueimp-file-upload
9.22.1
Jquery File Upload
<=9.22.0
libjs-jquery-file-upload
9.19.1-1ubuntu0.1, 9.25.0-1
Timeline
Added to Industry KEV feed
May 9, 2015
Publicly disclosed
Oct 22, 2018
Last updated
Aug 14, 2026
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisoryGHSA advisory
- advisoryhttps://github.com/blueimp/jQuery-File-Upload/pull/3514
- advisoryhttps://github.com/lcashdol/Exploits/tree/master/CVE-2018-9206
- advisoryhttps://github.com/psolom/RichFilemanager/issues/354
- advisoryhttps://github.com/psolom/RichFilemanager/issues/412
FAQ
Common Questions.
Unauthenticated arbitrary file upload vulnerability in Blueimp jQuery-File-Upload <= v9.22.0
Affected: Jquery File Upload (Jquery File Upload Project); libjs-jquery-file-upload (debian); blueimp-file-upload (npm), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since May 9, 2015.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including blueimp-file-upload 9.22.1, Jquery File Upload <=9.22.0, libjs-jquery-file-upload 9.19.1-1ubuntu0.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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