CVE-2021-47860
GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-352 |
| Vendor | getsimple cms |
| Product | custom js plugin |
| Published | Jan 21, 2026 |
| Last Updated | Apr 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
GetSimple CMS / Custom JS Plugin
0.1
References
exploit-db.com: https://www.exploit-db.com/exploits/49816 get-simple.info: http://get-simple.info github.com: https://github.com/GetSimpleCMS/GetSimpleCMS github.com: https://github.com/boku7/gsCMS-CustomJS-Csrf2Xss2Rce exploit-db.com: https://www.exploit-db.com/exploits/49712 vulncheck.com: https://www.vulncheck.com/advisories/getsimple-cms-custom-js-csrf-to-xss-to-rce
Credits
Bobby Cooke (boku) & Abhishek Joshi