CVE-2025-12346— MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload
Quick assessment
Affected
MaxSite CMS
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.
MaxSite CMS是俄国MaxSite CMS开源的一款网站内容管理系统。 MaxSite CMS 109及之前版本存在代码问题漏洞，该漏洞源于对文件application/maxsite/admin/plugins/auto_post/uploads-require-maxsite.php中参数X-Requested-FileName/X-Requested-FileUpDir的错误操作，可能导致任意文件上传。
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I. Basic Information for CVE-2025-12346
Vulnerability Information
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Vulnerability Title
MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in MaxSite CMS up to 109. This vulnerability affects unknown code of the file application/maxsite/admin/plugins/auto_post/uploads-require-maxsite.php of the component HTTP Header Handler. Performing manipulation of the argument X-Requested-FileName/X-Requested-FileUpDir results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
MaxSite CMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MaxSite CMS是俄国MaxSite CMS开源的一款网站内容管理系统。 MaxSite CMS 109及之前版本存在代码问题漏洞，该漏洞源于对文件application/maxsite/admin/plugins/auto_post/uploads-require-maxsite.php中参数X-Requested-FileName/X-Requested-FileUpDir的错误操作，可能导致任意文件上传。
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
II. Public POCs for CVE-2025-12346
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Security Blog Posts for CVE-2025-12346 (1)
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V. Comments for CVE-2025-12346
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