CVE-2021-47964— Schlix CMS 2.2.6-6 Remote Code Execution via core.blockmanager
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application T1505 · Server Software ComponentAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Schlix | Schlix CMS | 2.2.6-6 | affected |
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I. Basic Information for CVE-2021-47964
Vulnerability Information
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Vulnerability Title
Schlix CMS 2.2.6-6 Remote Code Execution via core.blockmanager
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Schlix CMS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schlix CMS是Schlix公司的一套基于PHP和MySQL的开源内容管理系统（CMS）。 Schlix CMS 2.2.6-6版本存在代码注入漏洞，该漏洞源于远程代码执行问题，可能导致经过身份验证的攻击者通过块管理器上传恶意扩展包执行任意PHP代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Schlix | Schlix CMS | 2.2.6-6 | - |
II. Public POCs for CVE-2021-47964
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-94
- CVE-2026-8467
Unauthenticated remote code execution via HEEx template inje - CVE-2026-22314
Meona Client/Server代码注入漏洞（<=19.06.2020/2025.04） - CVE-2026-2586
GlassFish管理控制台认证绕过导致远程代码执行 - CVE-2026-46586
Apache OFBiz: Improper Validation in traverseContent Service - CVE-2026-35086
Apache OFBiz: Authenticated Remote Code Execution via Unsafe
V. Comments for CVE-2021-47964
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