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CVE-2026-41938— Vvveb < 1.0.8.2 RCE via Media Upload Handler

Quick assessment

Affected
givanz Vvveb
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vvveb是Givan个人开发者的一个强大且易于使用的CMS，用于构建网站、博客或电子商务商店。 Vvveb 1.0.8.2之前版本存在代码问题漏洞，该漏洞源于媒体上传处理程序中文件上传限制不足，可能导致认证用户上传.htaccess文件映射.phtml扩展名，实现远程代码执行。

CVSS 8.8 · High EPSS 1.00% · P61

Affected Version Matrix 1

VendorProduct Version RangeStatus
givanz Vvveb < 1.0.8.2 affected
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I. Basic Information for CVE-2026-41938

Vulnerability Information
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Vulnerability Title
Vvveb < 1.0.8.2 RCE via Media Upload Handler
Source: CVE Program / CVE List V5
Vulnerability Description
Vvveb before version 1.0.8.2 contains an unrestricted file upload vulnerability in the media upload handler that allows authenticated users with media-upload permissions to bypass extension restrictions by uploading a .htaccess file to map .phtml extensions to the PHP handler. Attackers can upload a .phtml file containing arbitrary PHP code and execute the uploaded payload through a subsequent unauthenticated HTTP GET request to the uploaded file, resulting in remote code execution with web server privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Vvveb 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vvveb是Givan个人开发者的一个强大且易于使用的CMS，用于构建网站、博客或电子商务商店。 Vvveb 1.0.8.2之前版本存在代码问题漏洞，该漏洞源于媒体上传处理程序中文件上传限制不足，可能导致认证用户上传.htaccess文件映射.phtml扩展名，实现远程代码执行。
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
givanz Vvveb 0 ~ 1.0.8.2 -

II. Public POCs for CVE-2026-41938

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 4336 chars
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In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2026-41938

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Patches & Fixes for CVE-2026-41938 (2)

Vendor Advisories for CVE-2026-41938 (2)

Same Patch Batch · givanz · 2026-05-06 · 5 CVEs total

CVE-2026-41930 9.8 CRITICAL Vvveb < 1.0.8.2 Hard-coded Credentials Information Disclosure via phpMyAdmin
CVE-2026-41934 8.8 HIGH Vvveb < 1.0.8.2 Authenticated RCE via Code Editor
CVE-2026-41936 8.1 HIGH Vvveb < 1.0.8.2 XML External Entity Injection via Import
CVE-2026-41931 5.3 MEDIUM Vvveb < 1.0.8.2 Information Disclosure via Debug Exception Handler

IV. Related Vulnerabilities

Same product: Vvveb
Same vendor: givanz
Same weakness: CWE-434

V. Comments for CVE-2026-41938

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