CVE-2022-37251: Craftcms/cms Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-mw37-wx8p-gp45
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CVSS 5.4
CWE-79
Published
Advisory Summary

CVE-2022-37251 is a MODERATE (CVSS 5.4) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Craftcms/cms libraries in the Packagist ecosystem. The issue involves craft cms vulnerable to cross-site scripting via entry revisions and drafts. Remediation is available by upgrading affected packages to version 3.7.55.2, 4.2.1.

CVE-2022-37251 at a Glance

CVE Identifier CVE-2022-37251
GHSA Identifier GHSA-mw37-wx8p-gp45
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Craftcms/cms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
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-2022-37251

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

craftcms/cms fixed: 3.7.55.2 
Upgrade craftcms/cms to 3.7.55.2
craftcms/cms fixed: 4.2.1 
Upgrade craftcms/cms to 4.2.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for craftcms/cms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-37251, inspect your project dependencies for Craftcms/cms:

inspect dependencies for craftcms/cms

Analyze the terminal output to locate any version of Craftcms/cms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.7.55.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

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 Craftcms/cms, 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

Craft CMS `3.70-RC1`–`3.7.55.1` and `4.0.0-RC1`–`4.2.0.1` are vulnerable to Cross Site Scripting (XSS) via entry revisions and drafts. Versions `3.7.55.2` and `4.2.1` contain patches for this issue.

CVE-2022-37251 Affected Craftcms/cms Versions

2 component(s)
Fixed Versions:
3.7.55.24.2.1
Product / Package Ecosystem Affected Versions Fixed Version
craftcms/cms
 Packagist
≥ 3.7.0-beta.1
< 3.7.55.2
3.7.55.2
craftcms/cms
 Packagist
≥ 4.0.0-RC1
< 4.2.1
4.2.1

References

NVD — CVE-2022-37251 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-37251
Craftcms/cms Source Repository REPOSITORY
https://github.com/craftcms/cms
Security Fix Commit FIX COMMIT
https://github.com/craftcms/cms/commit/7139213dbd9e177a3528aac8e2db8de91830f118
Security Fix Commit FIX COMMIT
https://github.com/craftcms/cms/commit/919c9074ff8596bf30a629b0888c529793e9a903
Security Fix Commit FIX COMMIT
https://github.com/craftcms/cms/commit/f0d9b8a1e3ac005a2418f7d3d9059b49a96e73ea
Craftcms/cms Source Repository REPOSITORY
https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#421---2022-08-09
labs.integrity.pt/advisories/cve-2022... WEB
https://labs.integrity.pt/advisories/cve-2022-37251
craft.com WEB
http://craft.com

Frequently Asked Questions

What is CVE-2022-37251?
CVE-2022-37251 is a security vulnerability in Craftcms/cms involving Craft CMS vulnerable to Cross-site Scripting via entry revisions and drafts under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Craftcms/cms versions are affected?
Affected versions include releases prior to 3.7.55.2, 4.2.1 across affected packages: craftcms/cms.
What version fixes CVE-2022-37251?
Upgrading to 3.7.55.2, 4.2.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is craftcms/cms affected?
Yes, craftcms/cms is affected in releases prior to 3.7.55.2, 4.2.1. Upgrade your dependency to 3.7.55.2, 4.2.1 or later.
What is the CVSS score of CVE-2022-37251?
CVE-2022-37251 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2022-37251?
CVE-2022-37251 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 Packagist dependencies for CVE-2022-37251?
Run the dependency tree command: 'inspect dependencies for craftcms/cms'. 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-mw37-wx8p-gp45",
  "modified" : "2022-09-26T19:38:08Z",
  "published" : "2022-09-17T00:00:30Z",
  "aliases" : [ "CVE-2022-37251" ],
  "summary" : "Craft CMS vulnerable to Cross-site Scripting via entry revisions and drafts",
  "details" : "Craft CMS `3.70-RC1`–`3.7.55.1` and `4.0.0-RC1`–`4.2.0.1` are vulnerable to Cross Site Scripting (XSS) via entry revisions and drafts. Versions `3.7.55.2` and `4.2.1` contain patches for this issue.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "craftcms/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.7.0-beta.1"
      }, {
        "fixed" : "3.7.55.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "craftcms/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0-RC1"
      }, {
        "fixed" : "4.2.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-37251"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/commit/7139213dbd9e177a3528aac8e2db8de91830f118"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/commit/919c9074ff8596bf30a629b0888c529793e9a903"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/commit/f0d9b8a1e3ac005a2418f7d3d9059b49a96e73ea"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/craftcms/cms"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#421---2022-08-09"
  }, {
    "type" : "WEB",
    "url" : "https://labs.integrity.pt/advisories/cve-2022-37251"
  }, {
    "type" : "WEB",
    "url" : "http://craft.com"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-09-20T17:14:36Z",
    "nvd_published_at" : "2022-09-16T22:15:00Z"
  }
}