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CVE-2019-15891

20
FAUCET Score

CVE-2019-15891 affects CKFinder versions through 2.6.2.1 and 3.x through 3.5.0. The vulnerability stems from misleading documentation that incorrectly suggests robust content sniffing protection, potentially leading to misconfigurations. This is a medium-severity vulnerability (CVSS 5.3) with low impact, primarily concerning information disclosure (CWE-200), and does not require user interaction or authentication for exploitation. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.2.1CPE matchmatch criteria
cpe:2.3:a:cksource:ckfinder:*:*:*:*:*:*:*:*
>= 3.0, <= 3.5.0CPE matchmatch criteria
cpe:2.3:a:cksource:ckfinder:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
62.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 39th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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