CVE-2019-15603: Seeftl Cross-Site Scripting Vulnerability

HIGH
Advisory Identifier: GHSA-4g46-5grc-wq49
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CWE-79
Published
Advisory Summary

CVE-2019-15603 is a HIGH cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Seeftl libraries in the npm ecosystem. The issue involves cross-site scripting in seeftl. Remediation is available in the latest vendor maintenance releases.

CVE-2019-15603 at a Glance

CVE Identifier CVE-2019-15603
GHSA Identifier GHSA-4g46-5grc-wq49
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Seeftl
Package Ecosystem npm
Published Date
Last Updated

How to Fix CVE-2019-15603

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

seeftl fixed: Latest secure release 
npm install seeftl@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 seeftl

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2019-15603, inspect your project dependencies using npm:

npm ls seeftl

Analyze the terminal output to locate any version of Seeftl 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 seeftl 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 Seeftl, 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

All versions of `seeftl` are vulnerable to Cross-Site Scripting (XSS). The package fails to sanitize filenames, allowing attackers to execute arbitrary JavaScript in the victim's browser through files with names containing malicious code. ## Recommendation No fix is currently available. Consider using an alternative package until a fix is made available.

CVE-2019-15603 Affected Seeftl Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
seeftl
npm/seeftl
npm
≤ 0.1.1

References

NVD — CVE-2019-15603 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15603
hackerone.com/reports/665302 WEB
https://hackerone.com/reports/665302
www.npmjs.com/advisories/1451 WEB
https://www.npmjs.com/advisories/1451

Frequently Asked Questions

What is CVE-2019-15603?
CVE-2019-15603 is a security vulnerability in Seeftl involving Cross-Site Scripting in seeftl under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Seeftl versions are affected?
Affected versions include releases prior to current release patches across affected packages: seeftl.
What version fixes CVE-2019-15603?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is seeftl affected?
Yes, seeftl is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with CVE-2019-15603?
CVE-2019-15603 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-2019-15603?
Run the dependency tree command: 'npm ls seeftl'. 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-4g46-5grc-wq49",
  "modified" : "2020-08-31T18:59:46Z",
  "published" : "2020-04-01T16:36:31Z",
  "aliases" : [ "CVE-2019-15603" ],
  "summary" : "Cross-Site Scripting in seeftl",
  "details" : "All versions of `seeftl` are vulnerable to Cross-Site Scripting (XSS). The package fails to sanitize filenames, allowing attackers to execute arbitrary JavaScript in the victim's browser through files with names containing malicious code.\n\n\n## Recommendation\n\nNo fix is currently available. Consider using an alternative package until a fix is made available.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "seeftl"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.1.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-15603"
  }, {
    "type" : "WEB",
    "url" : "https://hackerone.com/reports/665302"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1451"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-04-01T16:26:05Z",
    "nvd_published_at" : null
  }
}