CVE-2017-6589: Epiceditor Cross-Site Scripting Vulnerability

MODERATE

Advisory Identifier: GHSA-4wc5-gfgh-4vjx

CVSS 6.1

Published 2022-05-17

Advisory Summary

CVE-2017-6589 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Epiceditor libraries in the npm ecosystem. The issue involves epiceditor xss vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2017-6589 at a Glance

CVE Identifier CVE-2017-6589

GHSA Identifier GHSA-4wc5-gfgh-4vjx

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 Epiceditor

Package Ecosystem npm

Published Date 2022-05-17

Last Updated 2023-10-31

Security Impact

CVSS: 6.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/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-2017-6589

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

epiceditor fixed: Latest secure release

npm install epiceditor@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 epiceditor

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2017-6589, inspect your project dependencies using npm:

npm ls epiceditor

Analyze the terminal output to locate any version of Epiceditor 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 epiceditor 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 Epiceditor, 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

EpicEditor through 0.2.3 has Cross-Site Scripting because of an insecure default marked.js configuration. An example attack vector is a crafted IMG element in an HTML document.

CVE-2017-6589 Affected Epiceditor Versions

1 component(s)

Product / Package	Ecosystem	Affected Versions	Fixed Version
epiceditor npm/epiceditor	npm	≤ 0.2.3

References

NVD — CVE-2017-6589 NVD

https://nvd.nist.gov/vuln/detail/CVE-2017-6589

bad.code.blog/2017/03/09/epicedit... WEB

https://bad.code.blog/2017/03/09/epiceditor-cross-site-scripting

Epiceditor Source Repository REPOSITORY

https://github.com/OscarGodson/EpicEditor

Frequently Asked Questions

What is CVE-2017-6589?

CVE-2017-6589 is a security vulnerability in Epiceditor involving EpicEditor XSS Vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

Which Epiceditor versions are affected?

Affected versions include releases prior to current release patches across affected packages: epiceditor.

What version fixes CVE-2017-6589?

Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.

Is epiceditor affected?

Yes, epiceditor 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-2017-6589?

CVE-2017-6589 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

What CWE is associated with CVE-2017-6589?

CVE-2017-6589 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-2017-6589?

Run the dependency tree command: 'npm ls epiceditor'. 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-4wc5-gfgh-4vjx",
  "modified" : "2023-10-31T19:37:41Z",
  "published" : "2022-05-17T02:56:01Z",
  "aliases" : [ "CVE-2017-6589" ],
  "summary" : "EpicEditor XSS Vulnerability",
  "details" : "EpicEditor through 0.2.3 has Cross-Site Scripting because of an insecure default marked.js configuration. An example attack vector is a crafted IMG element in an HTML document.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "epiceditor"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.2.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-6589"
  }, {
    "type" : "WEB",
    "url" : "https://bad.code.blog/2017/03/09/epiceditor-cross-site-scripting"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/OscarGodson/EpicEditor"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-27T22:37:06Z",
    "nvd_published_at" : "2017-03-09T19:59:00Z"
  }
}

CVSS V3

6.1 MODERATE