CVE-2025-57757: Contao/core bundle Contao Can Disclose Sensitive Information Vulnerability

MODERATE
Advisory Identifier: GHSA-w53m-gxvg-vx7p
CVSS 5.3
CWE-212 CWE-200
Published
Advisory Summary

CVE-2025-57757 is a MODERATE (CVSS 5.3) contao can disclose sensitive information vulnerability (CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer) affecting Contao/core bundle libraries in the Packagist ecosystem. The issue involves contao can disclose sensitive information in the news module. Remediation is available by upgrading affected packages to version 5.3.38, 5.6.1.

CVE-2025-57757 at a Glance

CVE Identifier CVE-2025-57757
GHSA Identifier GHSA-w53m-gxvg-vx7p
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer
Affected Product Contao/core bundle
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-57757

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

contao/core-bundle fixed: 5.3.38
Upgrade contao/core-bundle to 5.3.38
contao/core-bundle fixed: 5.6.1
Upgrade contao/core-bundle to 5.6.1
contao/contao fixed: 5.3.38
Upgrade contao/contao to 5.3.38
contao/contao fixed: 5.6.1
Upgrade contao/contao to 5.6.1
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 contao/core-bundle

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-57757, inspect your project dependencies for Contao/core bundle:

inspect dependencies for contao/core-bundle

Analyze the terminal output to locate any version of Contao/core bundle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.3.38), 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-212: Improper Removal of Sensitive Information Before Storage or Transfer, where the product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors. In Contao/core bundle, 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

### Impact If a news feed contains protected news archives, their news items are not filtered and become publicly available in the RSS feed. ### Patches Update to Contao 5.3.38 or 5.6.1. ### Workarounds Do not add protected news archives to the news feed page. ### For more information If you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).

CVE-2025-57757 Affected Contao/core bundle Versions

4 component(s)
Fixed Versions:
5.3.385.6.1
Product / Package Ecosystem Affected Versions Fixed Version
contao/core-bundle
Packagist
≥ 5.0.0-RC1
< 5.3.38
5.3.38
contao/core-bundle
Packagist
≥ 5.4.0-RC1
< 5.6.1
5.6.1
contao/contao
Packagist
≥ 5.0.0-RC1
< 5.3.38
5.3.38
contao/contao
Packagist
≥ 5.4.0-RC1
< 5.6.1
5.6.1

References

Frequently Asked Questions

What is CVE-2025-57757?
CVE-2025-57757 is a security vulnerability in Contao/core bundle involving Contao can disclose sensitive information in the news module under CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer.
Which Contao/core bundle versions are affected?
Affected versions include releases prior to 5.3.38, 5.6.1 across affected packages: contao/core-bundle, contao/contao.
What version fixes CVE-2025-57757?
Upgrading to 5.3.38, 5.6.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is contao/core-bundle affected?
Yes, contao/core-bundle is affected in releases prior to 5.3.38, 5.6.1. Upgrade your dependency to 5.3.38, 5.6.1 or later.
Is contao/contao affected?
Yes, contao/contao is affected in releases prior to 5.3.38, 5.6.1. Upgrade your dependency to 5.3.38, 5.6.1 or later.
What is the CVSS score of CVE-2025-57757?
CVE-2025-57757 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2025-57757?
CVE-2025-57757 is classified under CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer (The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.).
How can I check Packagist dependencies for CVE-2025-57757?
Run the dependency tree command: 'inspect dependencies for contao/core-bundle'. 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-w53m-gxvg-vx7p",
  "modified" : "2025-08-28T18:51:43Z",
  "published" : "2025-08-28T14:58:00Z",
  "aliases" : [ "CVE-2025-57757" ],
  "summary" : "Contao can disclose sensitive information in the news module",
  "details" : "### Impact\n\nIf a news feed contains protected news archives, their news items are not filtered and become publicly available in the RSS feed.\n\n### Patches\n\nUpdate to Contao 5.3.38 or 5.6.1.\n\n### Workarounds\n\nDo not add protected news archives to the news feed page.\n\n### For more information\n\nIf you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "contao/core-bundle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.0.0-RC1"
      }, {
        "fixed" : "5.3.38"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "contao/core-bundle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.4.0-RC1"
      }, {
        "fixed" : "5.6.1"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "contao/contao"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.0.0-RC1"
      }, {
        "fixed" : "5.3.38"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "contao/contao"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.4.0-RC1"
      }, {
        "fixed" : "5.6.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/contao/contao/security/advisories/GHSA-w53m-gxvg-vx7p"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-57757"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/contao/contao/commit/e75f46b11974fbf7a4652e65c19ad6ca84c59271"
  }, {
    "type" : "WEB",
    "url" : "https://contao.org/en/security-advisories/information-disclosure-in-the-news-module"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/contao/contao"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200", "CWE-212" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-08-28T14:58:00Z",
    "nvd_published_at" : "2025-08-28T17:15:36Z"
  }
}