CVE-2026-48541— Krayin CRM 2.2.6 Stored Template Injection XSS via Contact 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 及更早版本中存在一种存储型客户端模板注入漏洞。经过身份验证的攻击者可以通过在“人员姓名”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大括号模板语法的姓名，该语法会被传入 Vue 模板编译器，从而利用原型链遍历获取 Function 构造函数，并在每次有用户查看受影响的个人记录时，以应用程序的源上下文执行攻击者提供的 JavaScript 代码。
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I. Basic Information for CVE-2026-48541
Vulnerability Information
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Vulnerability Title
Krayin CRM 2.2.6 Stored Template Injection XSS via Contact 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 person name field. Attackers can craft a person 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 person 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-2026-48541
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-48541 (1)
Other References for CVE-2026-48541 (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-2026-48542 | 5.4 MEDIUM | Krayin CRM 2.2.6 Stored Template Injection XSS via Product 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-2026-48541
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