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CVE-2026-45622— Vvveb: Unauthenticated reflected XSS in public product return form via customer_order_id

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 1.0.8.3之前版本存在跨站脚本漏洞，该漏洞源于公共产品退货表单中customer_order_id参数未进行HTML转义，导致未经验证的反射型跨站脚本攻击。

AI Predicted 5.0 Difficulty: Easy EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
givanz Vvveb < 1.0.8.3 affected
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I. Basic Information for CVE-2026-45622

Vulnerability Information
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Vulnerability Title
Vvveb: Unauthenticated reflected XSS in public product return form via customer_order_id
Source: CVE Program / CVE List V5
Vulnerability Description
Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, there is an unauthenticated reflected cross-site scripting (XSS) issue in the public product return form in Vvveb CMS. The customer_order_id POST parameter is inserted into the Order %s not found! error message when the order lookup fails, and that message is rendered in the frontend template without HTML escaping. As a result, attacker-controlled HTML/JavaScript executes in the submitting user's browser. This vulnerability is fixed in 1.0.8.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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 跨站脚本漏洞
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 1.0.8.3之前版本存在跨站脚本漏洞，该漏洞源于公共产品退货表单中customer_order_id参数未进行HTML转义，导致未经验证的反射型跨站脚本攻击。
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 < 1.0.8.3 -

II. Public POCs for CVE-2026-45622

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III. Intelligence Information for CVE-2026-45622

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Vendor Advisories for CVE-2026-45622 (1)

Same Patch Batch · givanz · 2026-05-15 · 7 CVEs total

CVE-2026-46407 8.1 HIGH Vvveb: admin/auth-token IDOR allows unauthorized disclosure of administrator REST API toke
CVE-2026-46408 7.6 HIGH Vvveb: checkout IDOR allows unauthorized reuse of another user's cart
CVE-2026-44826 7.5 HIGH Vvveb: Vvveb CMS — Negative-quantity cart manipulation allows creation of orders with nega
CVE-2026-44366 6.1 MEDIUM Vvveb: Stored XSS via Comment Author Field
CVE-2026-45616 Vvveb: Stored XSS in Posts allows privilege escalation via post editor
CVE-2026-45800 Vvveb: Authenticated SQL injection in /user/orders via order_by and direction

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-45622

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