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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (26.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- 299ko Cms — versions 2.0.0
Weakness classification (CWE)
References
- vuldb.com/ (vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/loopholesgenius/cve/blob/main/There is a file management section in… (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.