CVE-2026-48542— Krayin CRM 2.2.6 Stored Template Injection XSS via Product Name Field
Quick assessment
Affected
krayin laravel-crm
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.
Krayin CRM 2.2.6 及之前版本中存在一个存储型客户端模板注入漏洞。该漏洞允许已认证的攻击者通过在产品名称字段中注入 Vue.js 模板表达式，在其他用户的浏览器中执行任意 JavaScript 代码。攻击者可构造包含双花括号模板语法（如 ）的产品名称，使其到达 Vue 模板编译器，从而实现原型链遍历以获取 构造函数，进而在应用源上下文中为每个查看受影响产品记录的用户执行攻击者提供的 JavaScript 代码。
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I. Basic Information for CVE-2026-48542
Vulnerability Information
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Vulnerability Title
Krayin CRM 2.2.6 Stored Template Injection XSS via Product Name Field
Source: CVE Program / CVE List V5
Vulnerability Description
Krayin CRM through 2.2.6 contains a stored client-side template injection vulnerability that allows authenticated attackers to execute arbitrary JavaScript in other users' browsers by injecting Vue.js template expressions into the product name field. Attackers can craft a product name containing double-brace template syntax that reaches the Vue template compiler, enabling prototype chain traversal to retrieve the Function constructor and execute attacker-supplied JavaScript in the application origin for every user who views the affected product record.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| krayin | laravel-crm | 0 ~ 2.2.6 | - |
|
II. Public POCs for CVE-2026-48542
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-48542 (1)
Other References for CVE-2026-48542 (1)
Same Patch Batch · krayin · 2026-09-24 · 4 CVEs total
| CVE-2026-48543 | 5.4 MEDIUM | Krayin CRM 2.2.6 Stored Template Injection XSS via Web Form Description |
| CVE-2026-48541 | 5.4 MEDIUM | Krayin CRM 2.2.6 Stored Template Injection XSS via Contact Name Field |
| CVE-2026-48540 | 5.4 MEDIUM | Krayin CRM 2.2.6 Stored Template Injection XSS via Lead Title |
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Same weakness: CWE-79
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V. Comments for CVE-2026-48542
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