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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-47860 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulnCheck
CVSS-B 8.5 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://get-simple.info VulnCheck Product 
https://github.com/GetSimpleCMS/GetSimpleCMS VulnCheck Product 
https://github.com/boku7/gsCMS-CustomJS-Csrf2Xss2Rce VulnCheck Exploit  Third Party Advisory 
https://www.exploit-db.com/exploits/49712 VulnCheck Exploit  Third Party Advisory  VDB Entry 
https://www.exploit-db.com/exploits/49816 VulnCheck Exploit  Third Party Advisory  VDB Entry 
https://www.vulncheck.com/advisories/getsimple-cms-custom-js-csrf-to-xss-to-rce VulnCheck Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-352 Cross-Site Request Forgery (CSRF) VulnCheck  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47860
NVD Published Date:
01/21/2026
NVD Last Modified:
06/17/2026
Source:
VulnCheck