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CVE-2025-8521— givanz Vvveb Add Type post-types cross site scripting

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 1.0.5及之前版本存在代码注入漏洞，该漏洞源于容易受到跨站脚本攻击。

CVSS 2.4 · Low EPSS 0.29% · P21
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I. Basic Information for CVE-2025-8521

Vulnerability Information
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Vulnerability Title
givanz Vvveb Add Type post-types cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as problematic, has been found in givanz Vvveb up to 1.0.5. This issue affects some unknown processing of the file /vadmin123/index.php?module=settings/post-types of the component Add Type Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.6 is able to address this issue. The patch is named b53c7161da606f512b7efcb392d6ffc708688d49/605a70f8729e4d44ebe272671cb1e43e3d6ae014. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
Vvveb 代码注入漏洞
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 1.0.5及之前版本存在代码注入漏洞，该漏洞源于容易受到跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
givanz Vvveb 1.0.0 -

II. Public POCs for CVE-2025-8521

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III. Intelligence Information for CVE-2025-8521

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Vendor Advisories for CVE-2025-8521 (2)

Same Patch Batch · givanz · 2025-08-04 · 6 CVEs total

CVE-2025-8517 6.3 MEDIUM givanz Vvveb session fixiation
CVE-2025-8522 5.0 MEDIUM givanz Vvvebjs node.js save.php path traversal
CVE-2025-8520 4.7 MEDIUM givanz Vvveb Drag-and-Drop Editor editor server-side request forgery
CVE-2025-8518 4.7 MEDIUM givanz Vvveb Code Editor code.php save code injection
CVE-2025-8519 2.7 LOW givanz Vvveb Drag-and-Drop Editor editor information disclosure

IV. Related Vulnerabilities

Same product: Vvveb
Same vendor: givanz
Same weakness: CWE-79

V. Comments for CVE-2025-8521

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