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CVE-2026-31845

CVSS 9.3 · Critical EPSS 0.02% · P5
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I. Basic Information for CVE-2026-31845

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A reflected cross-site scripting (XSS) vulnerability exists in Rukovoditel CRM version 3.6.4 and earlier in the Zadarma telephony API endpoint (/api/tel/zadarma.php). The application directly reflects user-supplied input from the 'zd_echo' GET parameter into the HTTP response without proper sanitization, output encoding, or content-type restrictions. The vulnerable code is: if (isset($_GET['zd_echo'])) exit($_GET['zd_echo']); An unauthenticated attacker can exploit this issue by crafting a malicious URL containing JavaScript payloads. When a victim visits the link, the payload executes in the context of the application within the victim's browser, potentially leading to session hijacking, credential theft, phishing, or account takeover. The issue is fixed in version 3.7, which introduces proper input validation and output encoding to prevent script injection.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Rukovoditel CRM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rukovoditel CRM是Rukovoditel公司的一个基于Web的客户关系与业务流程管理系统。 Rukovoditel CRM 3.6.4及之前版本存在安全漏洞，该漏洞源于Zadarma电话API端点中zd_echo参数未经验证直接反射到HTTP响应，可能导致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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
RukovoditelRukovoditel CRM 3.6.4 -

II. Public POCs for CVE-2026-31845

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III. Intelligence Information for CVE-2026-31845

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IV. Related Vulnerabilities

Same vendor: Rukovoditel
Same weakness: CWE-79

V. Comments for CVE-2026-31845

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