CVE-2025-8265: 299Ko CMS File Management view unrestricted upload

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-28 · updated 2026-06-17
Weakness: CWE-284

Description

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.

Affected products

299Ko CMS: 2.0.0

References

https://github.com/loopholesgenius/cve/blob/main/There%20is%20a%20file%20management%20section%20in%20the%20background%20management%20(1).pdf
https://vuldb.com/?ctiid.317853
https://vuldb.com/?id.317853
https://vuldb.com/?submit.617651

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