CVE-2023-39377: SiberianCMS - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-27 · updated 2026-06-17
Weakness: CWE-434

Description

SiberianCMS - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method

Affected products

SiberianCMS: from 4.0.0 before 4.20.44; from 5.0.0 before 5.0.4 — fixed in 4.20.44, 5.0.4

How to fix

Upgrade to a fixed version: SiberianCMS 4.20.44, 5.0.4. Check the vendor advisory for mitigations.

References

https://www.gov.il/en/Departments/faq/cve_advisories
https://www.gov.il/en/Departments/faq/cve_advisories

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