CVE-2024-34449: Vditor Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-m5jf-8crm-r65m
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CWE-79
Published
Advisory Summary

CVE-2024-34449 is a MODERATE cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Vditor libraries in the npm ecosystem. The issue involves vditor allows cross-site scripting via an attribute of an `a` element. Remediation is available in the latest vendor maintenance releases.

CVE-2024-34449 at a Glance

CVE Identifier CVE-2024-34449
GHSA Identifier GHSA-m5jf-8crm-r65m
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Vditor
Package Ecosystem npm
Published Date
Last Updated

How to Fix CVE-2024-34449

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

vditor fixed: Latest secure release 
npm install vditor@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 vditor

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2024-34449, inspect your project dependencies using npm:

npm ls vditor

Analyze the terminal output to locate any version of Vditor 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 vditor 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 Vditor, 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

Vditor 3.10.3 allows XSS via an attribute of an `A` element. NOTE: the vendor indicates that a user is supposed to mitigate this via `sanitize=true`.

CVE-2024-34449 Affected Vditor Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
vditor
npm/vditor
npm
3.10.3
All 1 versions
3.10.3
None specified

References

NVD — CVE-2024-34449 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-34449
Vditor Source Repository REPOSITORY
https://github.com/Vanessa219/vditor/issues/1604
Vditor Source Repository REPOSITORY
https://github.com/Vanessa219/vditor
Vditor Source Repository REPOSITORY
https://github.com/Vanessa219/vditor/blob/b3a14d6e4462b0c17141e1fcc66173264ada64e0/README_en_US.md?plain=1#L310

Frequently Asked Questions

What is CVE-2024-34449?
CVE-2024-34449 is a security vulnerability in Vditor involving Vditor allows Cross-site Scripting via an attribute of an `A` element under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Vditor versions are affected?
Affected versions include releases prior to current release patches across affected packages: vditor.
What version fixes CVE-2024-34449?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is vditor affected?
Yes, vditor is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with CVE-2024-34449?
CVE-2024-34449 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-2024-34449?
Run the dependency tree command: 'npm ls vditor'. 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-m5jf-8crm-r65m",
  "modified" : "2024-05-03T20:38:15Z",
  "published" : "2024-05-03T18:30:37Z",
  "aliases" : [ "CVE-2024-34449" ],
  "summary" : "Vditor allows Cross-site Scripting via an attribute of an `A` element",
  "details" : "Vditor 3.10.3 allows XSS via an attribute of an `A` element.\n\nNOTE: the vendor indicates that a user is supposed to mitigate this via `sanitize=true`.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "vditor"
    },
    "versions" : [ "3.10.3" ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-34449"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Vanessa219/vditor/issues/1604"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/Vanessa219/vditor"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Vanessa219/vditor/blob/b3a14d6e4462b0c17141e1fcc66173264ada64e0/README_en_US.md?plain=1#L310"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-03T20:38:15Z",
    "nvd_published_at" : "2024-05-03T16:15:11Z"
  }
}