Vulnerability Database

308,379

Total vulnerabilities in the database

CVE-2020-21359

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.

  • Published: Aug 11, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-21359
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
maccms / maccms 10.0 10.0.x