CVE-2026-5615— givanz Vvvebjs File Upload Endpoint upload.php cross site scripting
Quick assessment
Affected
givanz Vvvebjs
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.
VvvebJs是Givan个人开发者的一个拖放网站生成器。 VvvebJs 2.0.5及之前版本存在代码注入漏洞，该漏洞源于对文件upload.php中参数uploadAllowExtensions的操作不当，可能导致跨站脚本攻击。
Public Exploits 1
Nuclei · 1
CVE-2026-5615.yaml [template]
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-5615
Vulnerability Information
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Vulnerability Title
givanz Vvvebjs File Upload Endpoint upload.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in givanz Vvvebjs up to 2.0.5. The affected element is an unknown function of the file upload.php of the component File Upload Endpoint. This manipulation of the argument uploadAllowExtensions causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. Patch name: 8cac22cff99b8bc701c408aa8e887fa702755336. Applying a patch is the recommended action to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
VvvebJs 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VvvebJs是Givan个人开发者的一个拖放网站生成器。 VvvebJs 2.0.5及之前版本存在代码注入漏洞，该漏洞源于对文件upload.php中参数uploadAllowExtensions的操作不当，可能导致跨站脚本攻击。
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-2026-5615
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Givanz Vvvebjs <= 2.0.5 contains a stored XSS caused by manipulation of the "uploadAllowExtensions" argument in upload.php File Upload Endpoint, letting remote attackers execute scripts, exploit requires crafted input. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-5615.yaml | POC Details |
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V. Comments for CVE-2026-5615
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