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CVE-2021-26633— Maxboard SQL injection and LFI vulnerability

Quick assessment

Affected
Max Yi MaxBoard
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Max Yi MaxBoard是韩国Max Yi公司的一个 CMS（内容管理系统） 或 Web 框架。有助于使网站创建和站点管理更容易，并且可以轻松方便地用于构建应用程序的后端。 Max Yi MaxBoard 1.9.3.3 之前的版本存在SQL注入漏洞，该漏洞源于可以通过使用所需值操作变量并插入任意文件，导致信息泄漏和权限提升。

CVSS 7.5 · High EPSS 0.88% · P57
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I. Basic Information for CVE-2021-26633

Vulnerability Information
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Vulnerability Title
Maxboard SQL injection and LFI vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
SQL injection and Local File Inclusion (LFI) vulnerabilities in MaxBoard can cause information leakage and privilege escalation. This vulnerabilities can be exploited by manipulating a variable with a desired value and inserting and arbitrary file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Max Yi MaxBoard SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Max Yi MaxBoard是韩国Max Yi公司的一个 CMS（内容管理系统） 或 Web 框架。有助于使网站创建和站点管理更容易，并且可以轻松方便地用于构建应用程序的后端。 Max Yi MaxBoard 1.9.3.3 之前的版本存在SQL注入漏洞，该漏洞源于可以通过使用所需值操作变量并插入任意文件，导致信息泄漏和权限提升。
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
Max Yi MaxBoard unspecified ~ 1.9.3.3 -

II. Public POCs for CVE-2021-26633

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III. Intelligence Information for CVE-2021-26633

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Other References for CVE-2021-26633 (1)

IV. Related Vulnerabilities

Same product: MaxBoard
Same vendor: Max Yi
Same weakness: CWE-89

V. Comments for CVE-2021-26633

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