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CVE-2021-23439

MEDIUMCVSS 6.1/10EPSS 0.86%

Last modified

CVE-2021-23439 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. This affects the package file-upload-with-preview before 4.2.0. A file containing malicious JavaScript code in the name can be uploaded (a user needs to be tricked into uploading such a file).. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

This affects the package file-upload-with-preview before 4.2.0. A file containing malicious JavaScript code in the name can be uploaded (a user needs to be tricked into uploading such a file).

Metrics

CVSS 3.1
6.1/10

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

EPSS Probability
0.86%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JohndatserakisFile-Upload-With-Preview< 4.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23439?
This affects the package file-upload-with-preview before 4.2.0. A file containing malicious JavaScript code in the name can be uploaded (a user needs to be tricked into uploading such a file).
How severe is CVE-2021-23439?
CVE-2021-23439 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23439?
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-2021-23439?

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

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Source: NVD / NIST