CVE-2025-59018: Typo3/cms workspaces TYPO3 Workspaces Module Information Disclosure Vulnerability

HIGH
Advisory Identifier: GHSA-w2pf-7q5w-2cgw
CWE-200
Published
Advisory Summary

CVE-2025-59018 is a HIGH typo3 workspaces module information disclosure vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Typo3/cms workspaces libraries in the Packagist ecosystem. The issue involves typo3 workspaces module information disclosure. Remediation is available by upgrading affected packages to version 12.4.37, 13.4.18.

CVE-2025-59018 at a Glance

CVE Identifier CVE-2025-59018
GHSA Identifier GHSA-w2pf-7q5w-2cgw
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Typo3/cms workspaces
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2025-59018

To remediate this vulnerability, upgrade all affected Typo3/cms workspaces 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/cms-workspaces fixed: 12.4.37
Upgrade typo3/cms-workspaces to 12.4.37
typo3/cms-workspaces fixed: 12.4.37
Upgrade typo3/cms-workspaces to 12.4.37
typo3/cms-workspaces fixed: 12.4.37
Upgrade typo3/cms-workspaces to 12.4.37
typo3/cms-workspaces fixed: 12.4.37
Upgrade typo3/cms-workspaces to 12.4.37
typo3/cms-workspaces fixed: 13.4.18
Upgrade typo3/cms-workspaces to 13.4.18
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/cms-workspaces

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-59018, inspect your project dependencies for Typo3/cms workspaces:

inspect dependencies for typo3/cms-workspaces

Analyze the terminal output to locate any version of Typo3/cms workspaces in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 12.4.37), 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-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Typo3/cms workspaces, 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

Missing authorization checks in the Workspace Module of TYPO3 CMS versions 9.0.0‑9.5.54, 10.0.0‑10.4.53, 11.0.0‑11.5.47, 12.0.0‑12.4.36, and 13.0.0‑13.4.17 allow backend users to directly invoke the corresponding AJAX backend route to disclose sensitive information without having access.

CVE-2025-59018 Affected Typo3/cms workspaces Versions

5 component(s)
Fixed Versions:
12.4.3713.4.18
Product / Package Ecosystem Affected Versions Fixed Version
typo3/cms-workspaces
Packagist
≥ 9.0.0
< 12.4.37
12.4.37
typo3/cms-workspaces
Packagist
≥ 10.0.0
< 12.4.37
12.4.37
typo3/cms-workspaces
Packagist
≥ 11.0.0
< 12.4.37
12.4.37
typo3/cms-workspaces
Packagist
≥ 12.0.0
< 12.4.37
12.4.37
typo3/cms-workspaces
Packagist
≥ 13.0.0
< 13.4.18
13.4.18

References

Frequently Asked Questions

What is CVE-2025-59018?
CVE-2025-59018 is a security vulnerability in Typo3/cms workspaces involving TYPO3 Workspaces Module Information Disclosure under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Typo3/cms workspaces versions are affected?
Affected versions include releases prior to 12.4.37, 13.4.18 across affected packages: typo3/cms-workspaces.
What version fixes CVE-2025-59018?
Upgrading to 12.4.37, 13.4.18 (or the latest patched release for your respective branch) resolves the vulnerability.
Is typo3/cms-workspaces affected?
Yes, typo3/cms-workspaces is affected in releases prior to 12.4.37, 13.4.18. Upgrade your dependency to 12.4.37, 13.4.18 or later.
What CWE is associated with CVE-2025-59018?
CVE-2025-59018 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Packagist dependencies for CVE-2025-59018?
Run the dependency tree command: 'inspect dependencies for typo3/cms-workspaces'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w2pf-7q5w-2cgw",
  "modified" : "2025-09-09T20:11:21Z",
  "published" : "2025-09-09T09:31:13Z",
  "aliases" : [ "CVE-2025-59018" ],
  "summary" : "TYPO3 Workspaces Module Information Disclosure",
  "details" : "Missing authorization checks in the Workspace Module of TYPO3 CMS versions 9.0.0‑9.5.54, 10.0.0‑10.4.53, 11.0.0‑11.5.47, 12.0.0‑12.4.36, and 13.0.0‑13.4.17 allow backend users to directly invoke the corresponding AJAX backend route to disclose sensitive information without having access.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-workspaces"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "9.0.0"
      }, {
        "fixed" : "12.4.37"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 9.5.55"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-workspaces"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "10.0.0"
      }, {
        "fixed" : "12.4.37"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 10.4.54"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-workspaces"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "11.0.0"
      }, {
        "fixed" : "12.4.37"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 11.5.48"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-workspaces"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "12.0.0"
      }, {
        "fixed" : "12.4.37"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-workspaces"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "13.0.0"
      }, {
        "fixed" : "13.4.18"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-59018"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/TYPO3-CMS/workspaces/commit/114c189c7b30181cee96d176e31f212b02d14d4d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/TYPO3-CMS/workspaces"
  }, {
    "type" : "WEB",
    "url" : "https://typo3.org/security/advisory/typo3-core-sa-2025-022"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-09-09T20:11:21Z",
    "nvd_published_at" : "2025-09-09T09:15:40Z"
  }
}