CVE-2021-47860

5.3 MEDIUM
Published: January 21, 2026 Modified: March 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
22th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

get-simple