Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-39918— Vvveb < 1.0.8.1 Code Injection via Installation Endpoint

Quick assessment

Affected
givanz Vvveb
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.

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 1.0.8.1之前版本存在安全漏洞，该漏洞源于安装端点中subdir参数未经验证写入配置文件，可能导致远程代码执行。

CVSS 9.8 · Critical EPSS 1.14% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
givanz Vvveb < 1.0.8.1 affected
5162c1639130bd080ab63c7d856788cd59d6b3b7 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-39918

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Vvveb < 1.0.8.1 Code Injection via Installation Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Vvveb prior to 1.0.8.1 contains a code injection vulnerability in the installation endpoint where the subdir POST parameter is written unsanitized into the env.php configuration file without escaping or validation. Attackers can inject arbitrary PHP code by breaking out of the string context in the define statement to achieve unauthenticated remote code execution as the web server user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Vvveb 安全漏洞
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 1.0.8.1之前版本存在安全漏洞，该漏洞源于安装端点中subdir参数未经验证写入配置文件，可能导致远程代码执行。
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)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
givanz Vvveb 0 ~ 1.0.8.1 -

II. Public POCs for CVE-2026-39918

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-39918

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-39918 (1)

Vendor Pages for CVE-2026-39918 (1)

Same Patch Batch · givanz · 2026-04-20 · 4 CVEs total

CVE-2026-34427 8.8 HIGH Vvveb < 1.0.8.1 Privilege Escalation via admin/user/save
CVE-2026-34428 7.7 HIGH Vvveb < 1.0.8.1 SSRF via oEmbedProxy
CVE-2026-34429 5.4 MEDIUM Vvveb < 1.0.8.1 Stored XSS via Media Upload and Rename

IV. Related Vulnerabilities

Same product: Vvveb
Same vendor: givanz
Same weakness: CWE-94

V. Comments for CVE-2026-39918

No comments yet

Leave a comment