What is CVE-2025-8265?

CVE-2025-8265 is a medium-severity vulnerability in 299ko Cms, classified under Improper Access Control. CVSS score: 4.7/10. Published 2025-07-28.

How severe is CVE-2025-8265?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Arbitrary file upload in 299ko Cms

CVE-2025-8265

A vulnerability classified as critical has been found in 299Ko CMS 2.0.0. This affects an unknown part of the file /admin/filemanager/view of the component File Management. The manipulation leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.003 (26.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

299ko Cms — versions 2.0.0

Weakness classification (CWE)

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2025-8265?: CVE-2025-8265 is a medium-severity vulnerability in 299ko Cms, classified under Improper Access Control. CVSS score: 4.7/10. Published 2025-07-28.
How severe is CVE-2025-8265?: Medium severity. CVSS v3 base score is 4.7 out of 10.