CVE-2022-27263: Strapi Unrestricted Upload Of File With Vulnerability

CRITICAL
Advisory Identifier: GHSA-9qgm-w87q-hx89
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CVSS 9.8
CWE-434
Published
Advisory Summary

CVE-2022-27263 is a CRITICAL (CVSS 9.8) unrestricted upload of file with vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Strapi libraries in the npm ecosystem. The issue involves unrestricted upload of file with dangerous type in strapi. Remediation is available in the latest vendor maintenance releases.

CVE-2022-27263 at a Glance

CVE Identifier CVE-2022-27263
GHSA Identifier GHSA-9qgm-w87q-hx89
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Strapi
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 9.8

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:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-27263

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

strapi fixed: Latest secure release 
npm install strapi@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 strapi

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2022-27263, inspect your project dependencies using npm:

npm ls strapi

Analyze the terminal output to locate any version of Strapi 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 strapi 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-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Strapi, 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

An arbitrary file upload vulnerability in the file upload module of Strapi v4.1.5 allows attackers to execute arbitrary code via a crafted file.

CVE-2022-27263 Affected Strapi Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
strapi
npm/strapi
npm
≤ 4.1.5

References

NVD — CVE-2022-27263 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27263
Strapi Source Repository REPOSITORY
https://github.com/strapi/strapi
www.youtube.com/watch WEB
https://www.youtube.com/watch?v=LEeabouqRrg

Frequently Asked Questions

What is CVE-2022-27263?
CVE-2022-27263 is a security vulnerability in Strapi involving Unrestricted Upload of File with Dangerous Type in Strapi under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Strapi versions are affected?
Affected versions include releases prior to current release patches across affected packages: strapi.
What version fixes CVE-2022-27263?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is strapi affected?
Yes, strapi 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-2022-27263?
CVE-2022-27263 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-27263?
CVE-2022-27263 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check npm dependencies for CVE-2022-27263?
Run the dependency tree command: 'npm ls strapi'. 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-9qgm-w87q-hx89",
  "modified" : "2022-04-22T21:03:44Z",
  "published" : "2022-04-13T00:00:25Z",
  "aliases" : [ "CVE-2022-27263" ],
  "summary" : "Unrestricted Upload of File with Dangerous Type in Strapi",
  "details" : "An arbitrary file upload vulnerability in the file upload module of Strapi v4.1.5 allows attackers to execute arbitrary code via a crafted file.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "strapi"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "4.1.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-27263"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/strapi/strapi"
  }, {
    "type" : "WEB",
    "url" : "https://www.youtube.com/watch?v=LEeabouqRrg"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-04-22T21:03:44Z",
    "nvd_published_at" : "2022-04-12T17:15:00Z"
  }
}