CVE-2021-37504

Name: CVE-2021-37504
Creator: NVD / NIST
Published: 2022-02-25T19:15:12.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2021-37504 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A cross-site scripting (XSS) vulnerability in the fileNameStr parameter of jQuery-Upload-File v4.0.11 allows attackers to execute arbitrary web scripts or HTML via a crafted file with a Javascript payload in the file name.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

A cross-site scripting (XSS) vulnerability in the fileNameStr parameter of jQuery-Upload-File v4.0.11 allows attackers to execute arbitrary web scripts or HTML via a crafted file with a Javascript payload in the file name.

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

0.87%

54.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Hayageek	Jquery Upload File	4.0.11

References

http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.jsThird Party Advisory
http://hayageek.github.io/jQuery-Upload-File/4.0.11/jquery.uploadfile.min.jsThird Party Advisory
http://hayageek.github.io/jQuery-Upload-File/4.0.11/uploadfile.cssThird Party Advisory
http://haygeek.comBroken Link
http://jquery-upload-file.comBroken Link, URL Repurposed
https://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469Third Party Advisory
https://raw.githubusercontent.com/hayageek/jquery-upload-file/master/js/jquery.uploadfile.jsThird Party Advisory
http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.jsThird Party Advisory
http://hayageek.github.io/jQuery-Upload-File/4.0.11/jquery.uploadfile.min.jsThird Party Advisory
http://hayageek.github.io/jQuery-Upload-File/4.0.11/uploadfile.cssThird Party Advisory
http://haygeek.comBroken Link
http://jquery-upload-file.comBroken Link, URL Repurposed
https://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469Third Party Advisory
https://raw.githubusercontent.com/hayageek/jquery-upload-file/master/js/jquery.uploadfile.jsThird Party Advisory

Timeline

Published: Feb 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37504?

How severe is CVE-2021-37504?

CVE-2021-37504 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37504?

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-2021-37504?

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

Scan your code now

Source: NVD / NIST