CVE-2026-46516— Frogman vulnerable to stored XSS in chat console formatter (escalation vector in multi-admin deployments)
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-46516
Vulnerability Information
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Vulnerability Title
Frogman vulnerable to stored XSS in chat console formatter (escalation vector in multi-admin deployments)
Source: CVE Program / CVE List V5
Vulnerability Description
Frogman provides headless FreePBX control. Prior to version 1.6.6, Frogman's chat-console markdown formatter (`assets/js/chat.js`'s `formatMarkdown`) inserted regex capture groups as raw HTML in four template patterns: inline code, bold, markdown links, and download links. Tool responses that reflect user-controlled fields — extension names, ring-group descriptions, IVR names, queue descriptions, etc. — could carry an HTML/JavaScript payload that executes when another admin views the response through Frogman chat. The payload runs in the viewer's session, with the viewer's permissions. FreePBX's own admin GUI escapes these same fields via `freepbx_htmlspecialchars()` throughout its view templates. The chat formatter was the leaky side. Version 1.6.6 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Michael White Frogman 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Michael White Frogman是Michael White个人开发者的一款通过 MCP 和 HTTP API 实现无头 PBX 控制的软件。 Michael White Frogman 1.6.6之前版本存在跨站脚本漏洞，该漏洞源于chat-console markdown格式化器将正则捕获组插入为原始HTML，导致工具响应反映用户控制的字段可能携带HTML/JavaScript负载，当其他管理员查看响应时执行，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
II. Public POCs for CVE-2026-46516
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Patches & Fixes for CVE-2026-46516 (1)
Vendor Advisories for CVE-2026-46516 (1)
IV. Related Vulnerabilities
Same weakness: CWE-79
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Domoticz Mobile Dashboard versions prior to 2026.3 Stored XS - CVE-2026-19230
SourceCodester Photo Share Website Comment Input Box ajax.ph - CVE-2026-64638
WordPress 4.7-7.0.2 登录页反射型XSS漏洞 - CVE-2026-17596
Nexus Repository 3 - Stored Cross-Site Scripting (XSS) via B
V. Comments for CVE-2026-46516
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