GHSA-9jp8-cwwx-p64q: Ezsystems/ezplatform admin ui Cross-Site Scripting Vulnerability

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Advisory Summary

GHSA-9jp8-cwwx-p64q is a MODERATE cross-site scripting vulnerability (General Security Weakness) affecting Ezsystems/ezplatform admin ui libraries in the Packagist ecosystem. The issue involves xss in richtext custom tag attributes in ezsystems/ezplatform-richtext. Remediation is available by upgrading affected packages to version 1.5.25.1.

GHSA-9jp8-cwwx-p64q at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-9jp8-cwwx-p64q
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Ezsystems/ezplatform admin ui
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix GHSA-9jp8-cwwx-p64q

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

ezsystems/ezplatform-admin-ui fixed: 1.5.25.1 
Upgrade ezsystems/ezplatform-admin-ui to 1.5.25.1
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 ezsystems/ezplatform-admin-ui

How to Check if You Are Affected

To determine whether your application is affected by GHSA-9jp8-cwwx-p64q, inspect your project dependencies for Ezsystems/ezplatform admin ui:

inspect dependencies for ezsystems/ezplatform-admin-ui

Analyze the terminal output to locate any version of Ezsystems/ezplatform admin ui in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.25.1), 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 General Security Weakness. In Ezsystems/ezplatform admin ui, 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

The rich text editor does not escape attribute data when previewing custom tags. This means XSS is possible if custom tags are used, for users who have access to editing rich text content. Frontend content view is not affected, but the vulnerability could be used by editors to attack other editors. The fix ensures custom tag attribute data is escaped in the editor.

GHSA-9jp8-cwwx-p64q Affected Ezsystems/ezplatform admin ui Versions

1 component(s)
Fixed Versions:
1.5.25.1
Product / Package Ecosystem Affected Versions Fixed Version
ezsystems/ezplatform-admin-ui
 Packagist
≥ 1.5.0
< 1.5.25.1
1.5.25.1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/ezsystems/ezplatform-admin-ui/security/advisories/GHSA-9jp8-cwwx-p64q
Ezsystems/ezplatform admin ui Security Information SECURITY
https://developers.ibexa.co/security-advisories/ibexa-sa-2021-010-xss-in-richtext-custom-tag-attributes
Ezsystems/ezplatform admin ui Source Repository REPOSITORY
https://github.com/ezsystems/ezplatform-admin-ui

Frequently Asked Questions

What is GHSA-9jp8-cwwx-p64q?
GHSA-9jp8-cwwx-p64q is a security vulnerability in Ezsystems/ezplatform admin ui involving XSS in richtext custom tag attributes in ezsystems/ezplatform-richtext under General Security Weakness.
Which Ezsystems/ezplatform admin ui versions are affected?
Affected versions include releases prior to 1.5.25.1 across affected packages: ezsystems/ezplatform-admin-ui.
What version fixes GHSA-9jp8-cwwx-p64q?
Upgrading to 1.5.25.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is ezsystems/ezplatform-admin-ui affected?
Yes, ezsystems/ezplatform-admin-ui is affected in releases prior to 1.5.25.1. Upgrade your dependency to 1.5.25.1 or later.
What CWE is associated with GHSA-9jp8-cwwx-p64q?
GHSA-9jp8-cwwx-p64q is classified under General Security Weakness.
How can I check Packagist dependencies for GHSA-9jp8-cwwx-p64q?
Run the dependency tree command: 'inspect dependencies for ezsystems/ezplatform-admin-ui'. 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-9jp8-cwwx-p64q",
  "modified" : "2021-11-29T20:55:01Z",
  "published" : "2021-12-01T18:28:38Z",
  "aliases" : [ ],
  "summary" : "XSS in richtext custom tag attributes in ezsystems/ezplatform-richtext",
  "details" : "The rich text editor does not escape attribute data when previewing custom tags. This means XSS is possible if custom tags are used, for users who have access to editing rich text content. Frontend content view is not affected, but the vulnerability could be used by editors to attack other editors. The fix ensures custom tag attribute data is escaped in the editor.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "ezsystems/ezplatform-admin-ui"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.5.0"
      }, {
        "fixed" : "1.5.25.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 1.5.25"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/ezsystems/ezplatform-admin-ui/security/advisories/GHSA-9jp8-cwwx-p64q"
  }, {
    "type" : "WEB",
    "url" : "https://developers.ibexa.co/security-advisories/ibexa-sa-2021-010-xss-in-richtext-custom-tag-attributes"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ezsystems/ezplatform-admin-ui"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-11-29T20:53:06Z",
    "nvd_published_at" : null
  }
}