CVE-2021-47964
Schlix CMS 2.2.6-6 Remote Code Execution via core.blockmanager
- State
- Published
- Severity
- 8.7 High
- Published
- May 15, 2026
- Updated
- May 18, 2026
- Reserved
- May 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
Schlix CMSSchlix |
|
References
- ExploitDB-49838exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: Schlix CMS 2.2.6-6 Remote Code Execution via core.blockmanagerthird-party-advisory
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