CVE-2021-47919— Simple CMS 2.1 Non-Persistent Cross-Site Scripting via Preview Parameter
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I. Basic Information for CVE-2021-47919
Vulnerability Information
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Vulnerability Title
Simple CMS 2.1 Non-Persistent Cross-Site Scripting via Preview Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
Simple CMS 2.1 contains a non-persistent cross-site scripting vulnerability in the preview.php file's id parameter. Attackers can inject malicious script code through a GET request to execute arbitrary scripts and potentially hijack user sessions or perform phishing attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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
Simple CMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Simple CMS是Simple PHP Scripts开源的一个内容管理系统。 Simple CMS 2.1版本存在跨站脚本漏洞，该漏洞源于preview.php文件的id参数存在跨站脚本漏洞，可能导致执行任意脚本。
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 |
|---|---|---|---|---|
| Simplephpscripts | Simple CMS | 2.1 | - |
II. Public POCs for CVE-2021-47919
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Simplephpscripts · 2026-02-01 · 3 CVEs total
| CVE-2021-47918 | 8.1 HIGH | Simple CMS 2.1 SQL Injection Vulnerability via Users Module |
| CVE-2021-47917 | 6.4 MEDIUM | Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters |
IV. Related Vulnerabilities
Same product: Simple CMS
Same vendor: Simplephpscripts
- CVE-2021-47917
Simple CMS 2.1 Persistent Cross-Site Scripting via User Inpu - CVE-2021-47918
Simple CMS 2.1 SQL Injection Vulnerability via Users Module - CVE-2023-3540
SimplePHPscripts NewsLetter Script PHP URL Parameter preview - CVE-2023-3539
SimplePHPscripts Simple Forum PHP URL Parameter preview.php - CVE-2023-3538
SimplePHPscripts Photo Gallery PHP URL Parameter preview.php
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-2021-47919
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