GHSA-r32x-jhw5-g48p: Eco Cross-Site Scripting Vulnerability

HIGH
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CWE-79
Published
Advisory Summary

GHSA-r32x-jhw5-g48p is a HIGH cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Eco libraries in the npm ecosystem. The issue involves cross-site scripting in eco. Remediation is available in the latest vendor maintenance releases.

GHSA-r32x-jhw5-g48p at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-r32x-jhw5-g48p
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 Eco
Package Ecosystem npm
Published Date
Last Updated

How to Fix GHSA-r32x-jhw5-g48p

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

eco fixed: Latest secure release 
npm install eco@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 eco

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-r32x-jhw5-g48p, inspect your project dependencies using npm:

npm ls eco

Analyze the terminal output to locate any version of Eco 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 eco 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 Eco, 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 `eco` are vulnerable to Cross-Site Scripting (XSS). The package's default `__escape` implementation fails to escape single quotes, which may allow attackers to execute arbitrary JavaScript on the victim's browser. ## Recommendation No fix is currently available. Consider using an alternative package until a fix is made available.

GHSA-r32x-jhw5-g48p Affected Eco Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
eco
npm/eco
npm
≥ 0.0.0

References

Eco Source Repository REPOSITORY
https://github.com/sstephenson/eco/pull/67
Eco Source Repository REPOSITORY
https://github.com/sstephenson/eco
www.npmjs.com/advisories/1024 WEB
https://www.npmjs.com/advisories/1024

Frequently Asked Questions

What is GHSA-r32x-jhw5-g48p?
GHSA-r32x-jhw5-g48p is a security vulnerability in Eco involving Cross-Site Scripting in eco under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Eco versions are affected?
Affected versions include releases prior to current release patches across affected packages: eco.
What version fixes GHSA-r32x-jhw5-g48p?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is eco affected?
Yes, eco is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with GHSA-r32x-jhw5-g48p?
GHSA-r32x-jhw5-g48p 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 GHSA-r32x-jhw5-g48p?
Run the dependency tree command: 'npm ls eco'. 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-r32x-jhw5-g48p",
  "modified" : "2021-09-28T21:17:47Z",
  "published" : "2020-09-03T17:08:20Z",
  "aliases" : [ ],
  "summary" : "Cross-Site Scripting in eco",
  "details" : "All versions of  `eco` are vulnerable to Cross-Site Scripting (XSS). The package's default `__escape` implementation fails to escape single quotes, which may allow attackers to execute arbitrary JavaScript on the victim's browser.\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" : "eco"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/sstephenson/eco/pull/67"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/sstephenson/eco"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1024"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:44:34Z",
    "nvd_published_at" : null
  }
}