CVE-2020-21359

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p76

Published

Aug 11, 2021 (Aug 11, 2021)

Modified

Jun 17, 2026

Description

An arbitrary file upload vulnerability in the Template Upload function of Maccms10 allows attackers bypass the suffix whitelist verification to execute arbitrary code via adding a character to the end of the uploaded file's name.

Vendors: maccms
Products: maccms
Weakness: CWE-434
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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