CVE-2026-27147— GetSimple CMS: Stored Cross-Site Scripting (XSS) via SVG File Upload (Authenticated)
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I. Basic Information for CVE-2026-27147
Vulnerability Information
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Vulnerability Title
GetSimple CMS: Stored Cross-Site Scripting (XSS) via SVG File Upload (Authenticated)
Source: NVD (National Vulnerability Database)
Vulnerability Description
GetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can upload SVG files via the administrative upload functionality, but they are not properly sanitized or restricted, allowing an attacker to embed malicious JavaScript. When the uploaded SVG file is accessed, the script executes in the browser. This issue does not have a fix at the time of publication.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
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
GetSimple CMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GetSimple CMS是GetSimple CMS开源的一个内容管理系统。 GetSimple CMS存在跨站脚本漏洞，该漏洞源于SVG文件上传未正确清理或限制，可能导致跨站脚本攻击。
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 |
|---|---|---|---|---|
| GetSimpleCMS-CE | GetSimpleCMS-CE | <= 3.3.22 | - |
II. Public POCs for CVE-2026-27147
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · GetSimpleCMS-CE · 2026-02-20 · 4 CVEs total
| CVE-2026-27161 | Unauthenticated Information Disclosure via .htaccess Reliance in Sensitive Directories | |
| CVE-2026-27146 | GetSimple CMS: Cross-Site Request Forgery (CSRF) in File Upload Allows Arbitrary Uploads | |
| CVE-2026-27202 | GetSimple CMS: Uploaded Files (feature) Arbitrary File Read Vulnerability |
IV. Related Vulnerabilities
Same product: GetSimpleCMS-CE
- CVE-2026-28495
GetSimple CMS has CSRF to Remote Code Execution via Arbitrar - CVE-2026-26351
GetSimpleCMS-CE < 3.3.22 Stored XSS via components.php - CVE-2026-27202
GetSimple CMS: Uploaded Files (feature) Arbitrary File Read - CVE-2026-27161
Unauthenticated Information Disclosure via .htaccess Relianc - CVE-2026-27146
GetSimple CMS: Cross-Site Request Forgery (CSRF) in File Up
Same vendor: GetSimpleCMS-CE
- CVE-2026-28495
GetSimple CMS has CSRF to Remote Code Execution via Arbitrar - CVE-2026-26351
GetSimpleCMS-CE < 3.3.22 Stored XSS via components.php - CVE-2026-27202
GetSimple CMS: Uploaded Files (feature) Arbitrary File Read - CVE-2026-27161
Unauthenticated Information Disclosure via .htaccess Relianc - CVE-2026-27146
GetSimple CMS: Cross-Site Request Forgery (CSRF) in File Up
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-2026-27147
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