CVE-2021-47964
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductSchlix CMS
PublishedMay 15, 2026
First seenMay 15, 2026
Weakness typeCWE-94Code injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Schlix Schlix CMS | 2.2.6-6 | — |
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