CVE-2021-37504: n/a vulnerability

CVE-2021-37504: A cross-site scripting (XSS) vulnerability in the fileNameStr parameter of jQuery-Upload-File v4.0.11 allow...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedJul 9, 2026, 00:14 UTC (UTC+00:00)

Security readout for executives and security teams

This CVE affects jQuery-Upload-File v4.0.11. A maliciously named uploaded file can cause a web page using the plugin to render attacker-controlled script or HTML. The business risk is mainly session theft, phishing, or actions performed in a user’s browser if vulnerable upload views are exposed. Exposure is likely limited to applications that include jQuery-Upload-File v4.0.11 and display uploaded or selected filenames through the vulnerable upload interface. The supplied affected-product metadata is incomplete, so confirm by inspecting application assets and dependency records. Treat as a targeted web application risk. Prioritize internet-facing upload workflows, authenticated portals handling sensitive data, and applications where stolen sessions or deceptive browser content would have business impact. Mitigation focus: Inventory applications for jQuery-Upload-File v4.0.11 usage.; Check the project or vendor guidance for a maintained fixed release.; Replace or remove vulnerable plugin code where feasible..

Prepared: Jul 11, 2026, 12:09 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 25, 2022, 18:15 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

1ADP providers

3Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Jul 26, 2021, 00:00 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
Feb 25, 2022, 18:15 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Jul 9, 2026, 00:14 UTC (UTC+00:00)

ADP provider summaries

Source materials

CVE List V5 sourceCVE List V5
https://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469CVE reference, mitre
https://raw.githubusercontent.com/hayageek/jquery-upload-file/master/js/jquery.uploadfile.jsCVE reference, mitre

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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