CVE-2026-27937— October: Reflected XSS via DataTable Form Widget
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I. Basic Information for CVE-2026-27937
Vulnerability Information
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Vulnerability Title
October: Reflected XSS via DataTable Form Widget
Source: NVD (National Vulnerability Database)
Vulnerability Description
October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a query parameter was rendered without proper output escaping. This vulnerability is fixed in 3.7.16 and 4.1.16.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
October 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
October是October开源的一个内容管理系统 (CMS) 和网络平台。 October 3.7.16之前版本和4.1.16之前版本存在跨站脚本漏洞，该漏洞源于后端DataTable部件中查询参数渲染时输出转义不足，可能导致反射型跨站脚本攻击。
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 | >= 4.0.0, < 4.1.16 | - |
II. Public POCs for CVE-2026-27937
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · octobercms · 2026-04-21 · 4 CVEs total
| CVE-2026-26274 | 6.6 MEDIUM | October: Safe Mode Bypass via Twig Database Write Operations |
| CVE-2026-26067 | 4.9 MEDIUM | October: Safe Mode Bypass via CSS Preprocessor Compilers |
| CVE-2026-29179 | 3.3 LOW | October: Editor Sub-Permission Bypass for Asset and Blueprint File Operations |
IV. Related Vulnerabilities
Same product: october
- CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin - CVE-2026-26274
October: Safe Mode Bypass via Twig Database Write Operations - CVE-2026-26067
October: Safe Mode Bypass via CSS Preprocessor Compilers - CVE-2026-25133
October CMS has Stored XSS via SVG Filter Bypass - CVE-2026-25125
October CMS: Environment Variable Exfiltration via INI Parse
Same vendor: octobercms
- CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin - CVE-2026-26274
October: Safe Mode Bypass via Twig Database Write Operations - CVE-2026-26067
October: Safe Mode Bypass via CSS Preprocessor Compilers - CVE-2026-25133
October CMS has Stored XSS via SVG Filter Bypass - CVE-2026-25125
October CMS: Environment Variable Exfiltration via INI Parse
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2026-27937
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