Description
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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://ckeditor.com/blog/CKFinder-3.5.1-and-CKFinder-2.6.3-released/
Scores
CVSS v3
7.5
EPSS
0.0037
EPSS Percentile
58.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-434
Status
published
Products (1)
cksource/ckfinder
< 2.6.3 (4 CPE variants)
Published
Sep 26, 2019
Tracked Since
Feb 18, 2026