GHSA-4542-p56h-8xww: Typo3/neos Cross-Site Scripting Vulnerability

HIGH
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Advisory Summary

GHSA-4542-p56h-8xww is a HIGH cross-site scripting vulnerability (General Security Weakness) affecting Typo3/neos libraries in the Packagist ecosystem. The issue involves cross-site scripting (xss) vulnerabilities in neos. Remediation is available by upgrading affected packages to version 1.2.13, 2.0.4.

GHSA-4542-p56h-8xww at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-4542-p56h-8xww
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Typo3/neos
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix GHSA-4542-p56h-8xww

To remediate this vulnerability, upgrade all affected Typo3/neos dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

typo3/neos fixed: 1.2.13 
Upgrade typo3/neos to 1.2.13
typo3/neos fixed: 2.0.4 
Upgrade typo3/neos to 2.0.4
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 typo3/neos

How to Check if You Are Affected

To determine whether your application is affected by GHSA-4542-p56h-8xww, inspect your project dependencies for Typo3/neos:

inspect dependencies for typo3/neos

Analyze the terminal output to locate any version of Typo3/neos in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.2.13), 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 Typo3/neos, 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

It has been discovered that Neos is vulnerable to several XSS attacks. Through these vulnerabilities, an attacker could tamper with page rendering, redirect victims to a fake login page, or capture user credentials (such as cookies). With the potential backdoor upload an attacker could gain access to the server itself, to an extent mainly limited by the server setup.

GHSA-4542-p56h-8xww Affected Typo3/neos Versions

2 component(s)
Fixed Versions:
1.2.132.0.4
Product / Package Ecosystem Affected Versions Fixed Version
typo3/neos
 Packagist
≥ 1.2.0
< 1.2.13
1.2.13
typo3/neos
 Packagist
≥ 2.0.0
< 2.0.4
2.0.4

References

Typo3/neos Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/neos/2015-11-23.yaml
Typo3/neos Source Repository REPOSITORY
https://github.com/mneuhaus/TYPO3.Neos
www.neos.io/blog/neos-sa-2015-0... WEB
https://www.neos.io/blog/neos-sa-2015-002.html

Frequently Asked Questions

What is GHSA-4542-p56h-8xww?
GHSA-4542-p56h-8xww is a security vulnerability in Typo3/neos involving Cross-Site Scripting (XSS) vulnerabilities in Neos under General Security Weakness.
Which Typo3/neos versions are affected?
Affected versions include releases prior to 1.2.13, 2.0.4 across affected packages: typo3/neos.
What version fixes GHSA-4542-p56h-8xww?
Upgrading to 1.2.13, 2.0.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is typo3/neos affected?
Yes, typo3/neos is affected in releases prior to 1.2.13, 2.0.4. Upgrade your dependency to 1.2.13, 2.0.4 or later.
What CWE is associated with GHSA-4542-p56h-8xww?
GHSA-4542-p56h-8xww is classified under General Security Weakness.
How can I check Packagist dependencies for GHSA-4542-p56h-8xww?
Run the dependency tree command: 'inspect dependencies for typo3/neos'. 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-4542-p56h-8xww",
  "modified" : "2024-06-05T17:24:16Z",
  "published" : "2024-06-05T17:24:16Z",
  "aliases" : [ ],
  "summary" : "Cross-Site Scripting (XSS) vulnerabilities in Neos",
  "details" : "It has been discovered that Neos is vulnerable to several XSS attacks. Through these vulnerabilities, an attacker could tamper with page rendering, redirect victims to a fake login page, or capture user credentials (such as cookies). With the potential backdoor upload an attacker could gain access to the server itself, to an extent mainly limited by the server setup.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/neos"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.2.0"
      }, {
        "fixed" : "1.2.13"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/neos"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.0.0"
      }, {
        "fixed" : "2.0.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/neos/2015-11-23.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mneuhaus/TYPO3.Neos"
  }, {
    "type" : "WEB",
    "url" : "https://www.neos.io/blog/neos-sa-2015-002.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-06-05T17:24:16Z",
    "nvd_published_at" : null
  }
}