Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-47917— Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters

Quick assessment

Affected
Simplephpscripts Simple CMS
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.

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，该漏洞源于用户输入参数存在持久性跨站脚本漏洞，可能导致远程攻击者注入恶意脚本代码。

CVSS 6.4 · Medium EPSS 0.33% · P25
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-47917

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters
Source: CVE Program / CVE List V5
Vulnerability Description
Simple CMS 2.1 contains a persistent cross-site scripting vulnerability in user input parameters that allows remote attackers to inject malicious script code. Attackers can exploit the newUser and editUser modules to inject persistent scripts that execute on user list preview, potentially leading to session hijacking and application manipulation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
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，该漏洞源于用户输入参数存在持久性跨站脚本漏洞，可能导致远程攻击者注入恶意脚本代码。
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-2021-47917

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-47917

请登录查看更多情报信息。

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-2021-47919 6.4 MEDIUM Simple CMS 2.1 Non-Persistent Cross-Site Scripting via Preview Parameter

IV. Related Vulnerabilities

Same product: Simple CMS
Same vendor: Simplephpscripts
Same weakness: CWE-79

V. Comments for CVE-2021-47917

No comments yet

Leave a comment