CVE-2021-47860

GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE

Published Jan 21, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:get-simple:getsimplecms:0.1:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Getsimple-ce
Getsimple-ce getsimple Cms
CPEs cpe:2.3:a:getsimple-ce:getsimple_cms:0.1:*:*:*:*:*:*:*
Vendors & Products Getsimple-ce
Getsimple-ce getsimple Cms
Type Values Removed Values Added
First Time appeared Get-simple
Get-simple getsimplecms
Vendors & Products Get-simple
Get-simple getsimplecms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 8.5, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 7, 2026, 2:06 PM
Reserved
Jan 18, 2026, 12:35 PM
Status
Analyzed
Published
Jan 21, 2026, 6:16 PM
Modified
Jun 17, 2026, 4:18 AM