Vulnerabilities in pkg:npm/braft-editor

PACKAGE
Advisory Identifier: GHSA-jfrf-vv54-j2jg
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Advisory Summary

CVE-2021-27524 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Braft editor libraries in the npm ecosystem. The issue involves margox braft-editor cross-site scripting vulnerability. Remediation is available in the latest vendor maintenance releases.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/braft-editor

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/braft-editor. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-jfrf-vv54-j2jg CVE-2021-27524 MODERATE Margox Braft-Editor Cross-site Scripting Vulnerability

CVE-2021-27524 at a Glance

CVE Identifier CVE-2021-27524
GHSA Identifier GHSA-jfrf-vv54-j2jg
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 Braft editor
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-2021-27524

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

braft-editor fixed: Latest secure release 
npm install braft-editor@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 braft-editor

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2021-27524, inspect your project dependencies using npm:

npm ls braft-editor

Analyze the terminal output to locate any version of Braft editor 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 braft-editor 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 Braft editor, 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

Cross Site Scripting (XSS) vulnerability in margox braft-editor version 2.3.8, allows remote attackers to execute arbitrary code via the embed media feature.

CVE-2021-27524 Affected Braft editor Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
braft-editor
npm/braft-editor
npm
≤ 2.3.8

References

NVD — CVE-2021-27524 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27524
Braft editor Source Repository REPOSITORY
https://github.com/margox/braft-editor/issues/880
Braft editor Source Repository REPOSITORY
https://github.com/margox/braft-editor

Frequently Asked Questions

What is CVE-2021-27524?
CVE-2021-27524 is a security vulnerability in Braft editor involving Margox Braft-Editor Cross-site Scripting Vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Braft editor versions are affected?
Affected versions include releases prior to current release patches across affected packages: braft-editor.
What version fixes CVE-2021-27524?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is braft-editor affected?
Yes, braft-editor 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-2021-27524?
CVE-2021-27524 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-2021-27524?
CVE-2021-27524 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-2021-27524?
Run the dependency tree command: 'npm ls braft-editor'. 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-jfrf-vv54-j2jg",
  "modified" : "2023-08-18T14:25:24Z",
  "published" : "2023-08-11T15:30:46Z",
  "aliases" : [ "CVE-2021-27524" ],
  "summary" : "Margox Braft-Editor Cross-site Scripting Vulnerability",
  "details" : "Cross Site Scripting (XSS) vulnerability in margox braft-editor version 2.3.8, allows remote attackers to execute arbitrary code via the embed media feature.",
  "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" : "braft-editor"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.3.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-27524"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/margox/braft-editor/issues/880"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/margox/braft-editor"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-08-11T22:06:56Z",
    "nvd_published_at" : "2023-08-11T14:15:12Z"
  }
}