CVE-2021-37504: Jquery file upload Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-43x9-7hfv-mxrf
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2021-37504 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Jquery file upload libraries in the npm ecosystem. The issue involves jquery-upload-file xss in filenamestr. Remediation is available in the latest vendor maintenance releases.

CVE-2021-37504 at a Glance

CVE Identifier CVE-2021-37504
GHSA Identifier GHSA-43x9-7hfv-mxrf
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Jquery file upload
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 6.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2021-37504

To remediate this vulnerability, upgrade all affected Jquery file upload dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

jquery-file-upload fixed: Latest secure release 
npm install jquery-file-upload@Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls jquery-file-upload

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2021-37504, inspect your project dependencies using npm:

npm ls jquery-file-upload

Analyze the terminal output to locate any version of Jquery file upload in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The npm ls jquery-file-upload command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Jquery file upload, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2021-37504 Affected Jquery file upload Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
jquery-file-upload
npm/jquery-file-upload
npm
≤ 4.0.11

References

NVD — CVE-2021-37504 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37504
Jquery file upload Source Repository REPOSITORY
https://github.com/hayageek/jquery-upload-file
Jquery file upload Source Repository REPOSITORY
https://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469

Frequently Asked Questions

What is CVE-2021-37504?
CVE-2021-37504 is a security vulnerability in Jquery file upload involving jQuery-Upload-File XSS in fileNameStr under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Jquery file upload versions are affected?
Affected versions include releases prior to current release patches across affected packages: jquery-file-upload.
What version fixes CVE-2021-37504?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is jquery-file-upload affected?
Yes, jquery-file-upload is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2021-37504?
CVE-2021-37504 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2021-37504?
CVE-2021-37504 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check npm dependencies for CVE-2021-37504?
Run the dependency tree command: 'npm ls jquery-file-upload'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-43x9-7hfv-mxrf",
  "modified" : "2024-04-02T20:31:01Z",
  "published" : "2022-02-26T00:00:39Z",
  "aliases" : [ "CVE-2021-37504" ],
  "summary" : "jQuery-Upload-File XSS in fileNameStr",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "jquery-file-upload"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "4.0.11"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-37504"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/hayageek/jquery-upload-file"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hayageek/jquery-upload-file/blob/master/js/jquery.uploadfile.js#L469"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-02T20:31:01Z",
    "nvd_published_at" : "2022-02-25T19:15:00Z"
  }
}