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Medium · 5.3 CVE-2021-47860 EUVD-2026-3611GHSA-vhhc-pp7m-qvpp

GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE

Published Jan 21, 2026 · Updated Apr 7, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
GetSimple CMS Custom JS Plugin 0.1 —

References