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CVE-2021-47860

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CVE-2021-47860

Published: Jan 21, 2026

Modified: Apr 7, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

GetSimple CMS

Custom JS Plugin

affected
0.1

Weaknesses (CWE)

CWE-352

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

Researcher Disclosure
technical-description
exploit

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