CVE-2021-36440

PoC —

CVSS 3.1

9.8 critical

EPSS

5%p91

Published

Sep 8, 2021 (Sep 8, 2021)

Modified

Jun 17, 2026

Description

Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.

Vendors: showdoc
Products: showdoc
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 (4.8%)

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