8.8
CWE
94 74
Advisory Published
Updated

CVE-2021-32649: Authenticated file write leads to remote code execution in october/system

First published: Fri Jan 14 2022(Updated: )

October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework. Prior to versions 1.0.473 and 1.1.6, an attacker with "create, modify and delete website pages" privileges in the backend is able to execute PHP code by running specially crafted Twig code in the template markup. The issue has been patched in Build 473 (v1.0.473) and v1.1.6. Those unable to upgrade may apply the patch to their installation manually as a workaround.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Octobercms October<1.0.473
Octobercms October>=1.1.0<1.1.6

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Frequently Asked Questions

  • What is CVE-2021-32649?

    CVE-2021-32649 is a vulnerability in October CMS that allows an attacker with certain privileges to execute PHP code.

  • What is October CMS?

    October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework.

  • How can an attacker exploit CVE-2021-32649?

    An attacker with 'create, modify and delete website pages' privileges in the backend can exploit CVE-2021-32649 by executing specially crafted Twig code to run PHP code.

  • What is the severity of CVE-2021-32649?

    CVE-2021-32649 has a severity rating of 8.8 (High).

  • How can I fix CVE-2021-32649?

    To fix CVE-2021-32649, you should update October CMS to versions 1.0.473 or 1.1.6 or later where the vulnerability has been patched.

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