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CVE CVE-2021-47964

CVE-2021-47964

PHP

Severity: HIGH
CVSS: 8.8CVSS
Published: 2026-05-15
Last modified: 2026-05-15
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-94

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.

References

https://www.exploit-db.com/exploits/49838
https://www.schlix.com/
https://www.schlix.com/downloads/schlix-cms/schlix-cms-v2.2.6-6.zip
https://www.vulncheck.com/advisories/schlix-cms-6-remote-code-execution-via-core-blockmanager

Summary

Description

References