CVE-2021-28998

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published
May 8, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-28998: High severity, CVSS 7.2 | Vulnix