CVE-2019-15891

Name: CVE-2019-15891
Creator: NVD / NIST
Published: 2019-09-26T21:15:11.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2019-15891 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in CKFinder through 2.6.2.1 and 3.x through 3.5.0. The documentation has misleading information that could lead to a conclusion that the application has a built-in bulletproof content sniffing protection.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

An issue was discovered in CKFinder through 2.6.2.1 and 3.x through 3.5.0. The documentation has misleading information that could lead to a conclusion that the application has a built-in bulletproof content sniffing protection.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.09%

61.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Cksource	Ckfinder	<= 2.6.2.1
Cksource	Ckfinder	>= 3.0, <= 3.5.0

References

https://ckeditor.com/blog/CKFinder-3.5.1-and-CKFinder-2.6.3-released/Third Party Advisory
https://ckeditor.com/blog/CKFinder-3.5.1-and-CKFinder-2.6.3-released/Third Party Advisory

Timeline

Published: Sep 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15891?

How severe is CVE-2019-15891?

CVE-2019-15891 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15891?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-15891?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST