What is the CVSS score of CVE-2021-47860?

CVE-2021-47860 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Getsimplecms are affected by CVE-2021-47860?

Organizations using GetSimple CMS Custom JS 0.1 plugin should be aware of moderate risk from CVE-2021-47860, a cross-site request forgery vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for CVE-2021-47860?

Yes, a public proof-of-concept exploit is available for CVE-2021-47860. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2021-47860?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens are enforced.

Getsimplecms CVE-2021-47860

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2026-01-21 disclosure@vulncheck.com

XSS CSRF Getsimplecms

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Mar 06, 2026 - 20:10 vuln.today

Public exploit code

CVE Published

Jan 21, 2026 - 18:16 nvd

MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

Technical ContextAI

Classified as CWE-352 (Cross-Site Request Forgery (CSRF)). Affects Getsimplecms. 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.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

CVE-2021-47860 vulnerability details – vuln.today

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Getsimplecms CVE-2021-47860

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code