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High · 8.8 CVE-2021-47938 EUVD-2021-34799GHSA-5fc9-c3p9-h598

ImpressCMS 1.4.2 Remote Code Execution via Autotasks

Published May 10, 2026 · Updated May 11, 2026 · Assigned by VulnCheck

Description

ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted sat_code containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.

Affected products

VendorProductAffectedFixed
Impresscms ImpressCMS 1.4.2 —

References