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CVE-2021-47860— GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE

Quick assessment

Affected
GetSimple CMS Custom JS Plugin
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.

GetSimple Content Management System是GetSimpleCMS开源的一个内容管理系统。 GetSimple Content Management System存在跨站请求伪造漏洞，该漏洞源于存在跨站请求伪造，可能导致在管理员浏览器中执行任意客户端代码。

CVSS 5.3 · Medium EPSS 0.24% · P14
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I. Basic Information for CVE-2021-47860

Vulnerability Information
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Vulnerability Title
GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
GetSimple CMS Custom JS 0.1 plugin contains a cross-site request forgery vulnerability that allows unauthenticated attackers to inject arbitrary client-side code into administrator browsers. Attackers can craft a malicious website that triggers a cross-site scripting payload to execute remote code on the hosting server when an authenticated administrator visits the page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
GetSimple Content Management System 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GetSimple Content Management System是GetSimpleCMS开源的一个内容管理系统。 GetSimple Content Management System存在跨站请求伪造漏洞，该漏洞源于存在跨站请求伪造，可能导致在管理员浏览器中执行任意客户端代码。
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
GetSimple CMS Custom JS Plugin 0.1 -

II. Public POCs for CVE-2021-47860

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III. Intelligence Information for CVE-2021-47860

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Exploits & Public PoCs for CVE-2021-47860 (1)

Same Patch Batch · GetSimple CMS · 2026-01-21 · 3 CVEs total

CVE-2021-47830 GetSimple CMS My SMTP Contact Plugin 1.1.1 - CSRF
CVE-2021-47870 GetSimple CMS My SMTP Contact Plugin 1.1.2 - Stored XSS

IV. Related Vulnerabilities

Same vendor: GetSimple CMS
Same weakness: CWE-352

V. Comments for CVE-2021-47860

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