Arbitrary Code Execution Affecting october/system package, versions >=1.0.319, <1.0.474>=1.1.0, <1.1.10


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.36% (72nd percentile)

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  • Snyk IDSNYK-PHP-OCTOBERSYSTEM-2412703
  • published24 Feb 2022
  • disclosed24 Feb 2022
  • creditDavid Miller

Introduced: 24 Feb 2022

CVE-2022-21705  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade october/system to version 1.0.474, 1.1.10 or higher.

Overview

october/system is a System module for October CMS.

Affected versions of this package are vulnerable to Arbitrary Code Execution due to improper user input sanitization before rendering. An authenticated user with the permissions to create, modify and delete website pages can exploit this vulnerability to bypass cms.safe_mode or cms.enableSafeMode in order to execute arbitrary code.

Note:

  1. This issue only affects admin panels that rely on safe mode and restricted permissions.

  2. To exploit this vulnerability, an attacker must first have access to the backend area.

CVSS Scores

version 3.1