Critical severity9.8NVD Advisory· Published May 23, 2023· Updated Jun 17, 2026

CVE-2023-27397

Description

Unrestricted upload of file with dangerous type exists in MicroEngine Mailform version 1.1.0 to 1.1.8. 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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

MicroEngine/Mailformllm-fuzzy
Range: 1.1.0 to 1.1.8
Microengine Inc./Microengine Mailformv5
Range: version 1.1.0 to 1.1.8

Patches

Vulnerability mechanics

References

jvn.jp/en/jp/JVN31701509/nvdThird Party Advisory
microengine.jp/information/security_2023_05.htmlnvdVendor Advisory

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