Vulnerability CVE-2021-28931
Published: 2021-07-07

Description:
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.

Type:

CWE-434

 (Unrestricted Upload of File with Dangerous Type)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Fork-cms -> Fork cms 

 References:
https://github.com/bousalman/ForkCMS-arbitrary-upload/blob/main/README.md
https://github.com/forkcms/forkcms/releases/tag/5.9.2
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