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CVE-2021-28931

Good to know:

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Date: July 7, 2021

Arbitrary file upload vulnerability in Fork CMS 5.9.2 allows attackers to create or replace arbitrary files in the /themes directory via a crafted zip file uploaded to the Themes panel.

Language: PHP

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-28931
https://github.com/forkcms/forkcms/releases/tag/5.9.2
https://github.com/bousalman/ForkCMS-arbitrary-upload/blob/main/README.md
https://www.mend.io/vulnerability-database/CVE-2021-28931

Severity Score

Weakness Type (CWE)

Unrestricted Upload of File with Dangerous Type

CWE-434

Top Fix

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Upgrade Version

Upgrade to version forkcms/forkcms - 5.9.3

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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