GHSA-pgjv-jrg2-gq3v: Dompurify Cross-Site Scripting Vulnerability

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Advisory Summary

GHSA-pgjv-jrg2-gq3v is a MODERATE cross-site scripting vulnerability (General Security Weakness) affecting Dompurify libraries in the PyPI ecosystem. The issue involves dompurify vulnerable to cross-site scripting. Remediation is available by upgrading affected packages to version 2.2.2.

GHSA-pgjv-jrg2-gq3v at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-pgjv-jrg2-gq3v
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Dompurify
Package Ecosystem PyPI
Published Date
Last Updated

How to Fix GHSA-pgjv-jrg2-gq3v

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

dompurify fixed: 2.2.2 
pip install dompurify>=2.2.2
Verify Direct and Transitive Dependencies

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

pip show dompurify

How to Check if You Are Affected

To determine whether your Python environment is affected by GHSA-pgjv-jrg2-gq3v, inspect your installed packages using pip:

pip show dompurify

Analyze the terminal output to locate any version of Dompurify in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.2.2), your application is affected.

Note: The pip show dompurify command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Dompurify, 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

dompurify prior to version 2.2.2 is vulnerable to cross-site scripting when converting from SVG namespace.

GHSA-pgjv-jrg2-gq3v Affected Dompurify Versions

1 component(s)
Fixed Versions:
2.2.2
Product / Package Ecosystem Affected Versions Fixed Version
dompurify
pypi/dompurify
PyPI
< 2.2.2
2.2.2

References

Dompurify Source Repository REPOSITORY
https://github.com/cure53/DOMPurify/issues/482
Dompurify Source Repository REPOSITORY
https://github.com/cure53/DOMPurify
Dompurify Release RELEASE
https://github.com/cure53/DOMPurify/releases/tag/2.2.2
Dompurify Security Information SECURITY
https://security.snyk.io/vuln/SNYK-JS-DOMPURIFY-1035544

Frequently Asked Questions

What is GHSA-pgjv-jrg2-gq3v?
GHSA-pgjv-jrg2-gq3v is a security vulnerability in Dompurify involving dompurify vulnerable to Cross-site Scripting under General Security Weakness.
Which Dompurify versions are affected?
Affected versions include releases prior to 2.2.2 across affected packages: dompurify.
What version fixes GHSA-pgjv-jrg2-gq3v?
Upgrading to 2.2.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is dompurify affected?
Yes, dompurify is affected in releases prior to 2.2.2. Upgrade your dependency to 2.2.2 or later.
What CWE is associated with GHSA-pgjv-jrg2-gq3v?
GHSA-pgjv-jrg2-gq3v is classified under General Security Weakness.
How can I check PyPI dependencies for GHSA-pgjv-jrg2-gq3v?
Run the dependency tree command: 'pip show dompurify'. 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-pgjv-jrg2-gq3v",
  "modified" : "2023-01-11T23:47:05Z",
  "published" : "2023-01-11T23:47:05Z",
  "aliases" : [ ],
  "summary" : "dompurify vulnerable to Cross-site Scripting",
  "details" : "dompurify prior to version 2.2.2 is vulnerable to cross-site scripting when converting from SVG namespace.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "dompurify"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.2.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/cure53/DOMPurify/issues/482"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/cure53/DOMPurify"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cure53/DOMPurify/releases/tag/2.2.2"
  }, {
    "type" : "WEB",
    "url" : "https://security.snyk.io/vuln/SNYK-JS-DOMPURIFY-1035544"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-11T23:47:05Z",
    "nvd_published_at" : null
  }
}