PT-2026-41343 · Schlix · Schlix Cms

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CVE-2021-47964

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Published

2026-05-15

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Updated

2026-05-15

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Schlix CMS 2.2.6-6 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary PHP code by uploading malicious extension packages through the block manager. Attackers can upload a crafted ZIP file containing PHP code in the packageinfo.inc file and trigger execution by accessing the About tab of the installed extension.

Exploit

Fix

Code Injection

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Weakness Enumeration

Related Identifiers

CVE-2021-47964

Affected Products

Schlix Cms