Arbitrary file upload in Cksource Ckfinder
CVE-2019-15862
An issue was discovered in CKFinder through 2.6.2.1. Improper checks of file names allows remote attackers to upload files without any extension (even if the application was configured to accept files only with a defined set of extensions). This affects CKFinder for ASP, CKFinder for ASP.NET, CKFinder for ColdFusion, and CKFinder for PHP.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ckeditor.com/blog/CKFinder-3.5.1-and-CKFinder-2.6.3-released/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15862?
- CVE-2019-15862 is a high-severity vulnerability in Cksource Ckfinder, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2019-09-26.
- How severe is CVE-2019-15862?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-15862 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.