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)…

Vulnerability class: Unrestricted File Upload

EPSS: 0.015 (71.5th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.