CVE-2021-39426

PoC —

CVSS 3.1

9.8 critical

EPSS

<1%p57

Published

Dec 15, 2022 (Dec 15, 2022)

Modified

Jun 17, 2026

Description

An issue was discovered in /Upload/admin/admin_notify.php in Seacms 11.4 allows attackers to execute arbitrary php code via the notify1 parameter when the action parameter equals set.

Vendors: seacms
Products: seacms
Weakness: CWE-94
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 (0.9%)

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