CVE-2025-8265 299Ko CMS File Management view unrestricted upload
Attackers can upload malicious files to the 299Ko CMS file manager, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8265?
CVE-2025-8265 is a medium-severity vulnerability in 299Ko CMS, published on 28 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-8265?
How do I fix CVE-2025-8265?
No fix has been published for CVE-2025-8265 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-8265 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8265 exists.
Sources
Also known as GHSA-mj82-h8g3-6cr5.