CVE-2021-37504

MEDIUMNVD 6.16.1—

6.1

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.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 72.6%
KEV: Not listed

Published

February 25, 2022

Last Modified

November 21, 2024

References (14)

cve@mitrehttp://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
cve@mitrehttp://hayageek.github.io/jQuery-Upload-File/4.0.11/jquery.uploadfile.min.js
cve@mitrehttp://hayageek.github.io/jQuery-Upload-File/4.0.11/uploadfile.css
cve@mitrehttp://haygeek.com
cve@mitrehttp://jquery-upload-file.com
cve@mitrehttps://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469
cve@mitrehttps://raw.githubusercontent.com/hayageek/jquery-upload-file/master/js/jquery.uploadfile.js
af854a3a-2127-422b-91ae-364da2661108http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
af854a3a-2127-422b-91ae-364da2661108http://hayageek.github.io/jQuery-Upload-File/4.0.11/jquery.uploadfile.min.js
af854a3a-2127-422b-91ae-364da2661108http://hayageek.github.io/jQuery-Upload-File/4.0.11/uploadfile.css
af854a3a-2127-422b-91ae-364da2661108http://haygeek.com
af854a3a-2127-422b-91ae-364da2661108http://jquery-upload-file.com
af854a3a-2127-422b-91ae-364da2661108https://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469
af854a3a-2127-422b-91ae-364da2661108https://raw.githubusercontent.com/hayageek/jquery-upload-file/master/js/jquery.uploadfile.js

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	jquery-file-upload	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
jquery-file-upload	—	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 02:26 UTCEG score recompute
2026-05-26 02:26 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-37504?

CVE-2021-37504 is a medium vulnerability published on February 25, 2022. 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.

When was CVE-2021-37504 disclosed?

CVE-2021-37504 was first published in the National Vulnerability Database on February 25, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-37504 actively exploited?

CVE-2021-37504 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-37504?

CVE-2021-37504 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2021-37504?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-37504, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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