CVE-2021-32650— Arbitrary code execution in october/system
Quick assessment
Affected
octobercms october
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October CMS存在代码注入漏洞，该漏洞源于用户输入构造命令、数据结构或记录的操作过程中，网络系统或产品缺乏对用户输入数据的正确验证，未过滤或未正确过滤掉其中的特殊元素，导致系统或产品产生解析或解释方式错误。
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I. Basic Information for CVE-2021-32650
Vulnerability Information
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Vulnerability Title
Arbitrary code execution in october/system
Source: CVE Program / CVE List V5
Vulnerability Description
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 access to the backend is able to execute PHP code by using the theme import feature. This will bypass the safe mode feature that prevents PHP execution in the CMS templates.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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
October CMS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October CMS存在代码注入漏洞，该漏洞源于用户输入构造命令、数据结构或记录的操作过程中，网络系统或产品缺乏对用户输入数据的正确验证，未过滤或未正确过滤掉其中的特殊元素，导致系统或产品产生解析或解释方式错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| octobercms | october | < 1.0.473 | - |
|
II. Public POCs for CVE-2021-32650
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-32650 (1)
Vendor Advisories for CVE-2021-32650 (1)
-
https://github.com/octobercms/october/security/advisories/GHSA-5hfj-r725-wpc4 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: october
-
CVE-2026-49400
October CMS: PHP Object Injection via Backend Widget Session -
CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin -
CVE-2026-27937
October: Reflected XSS via DataTable Form Widget -
CVE-2026-26274
October: Safe Mode Bypass via Twig Database Write Operations -
CVE-2026-26067
October: Safe Mode Bypass via CSS Preprocessor Compilers
Same vendor: octobercms
-
CVE-2026-49400
October CMS: PHP Object Injection via Backend Widget Session -
CVE-2026-46696
October CMS: Safe Mode Sandbox Bypass via Session Store and -
CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin -
CVE-2026-27937
October: Reflected XSS via DataTable Form Widget -
CVE-2026-26274
October: Safe Mode Bypass via Twig Database Write Operations
Same weakness: CWE-74
-
CVE-2026-102291
Kirki – Freeform Page Builder, Website Builder & Customizer -
CVE-2026-76472
Cisco Meraki Security Hardening Release October 2026 - Impro -
CVE-2026-102156
Security Advisory 0191 -
CVE-2026-102158
Security Advisory 0190 -
CVE-2026-105800
i18next-http-backend incomplete URL validation permits SSRF
V. Comments for CVE-2021-32650
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