CVE-2021-47964

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

15 May 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-15 19:16

Updated : 2026-06-17 04:18

NVD link : CVE-2021-47964

Mitre link : CVE-2021-47964

CVE.ORG link : CVE-2021-47964

JSON object : View

Products Affected

No product.

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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