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CVE-2026-109558— EdgeEver 1.6.0 through 1.112.0 Stored XSS via TemplatesPane Template Preview

Quick assessment

Affected
tianma-if EdgeEver
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.

EdgeEver 1.6.0 至 1.112.0 版本中存在一个存储型跨站脚本（XSS）漏洞，位于 TemplatesPane.tsx 文件中。该漏洞通过将模板内容以 Markdown 形式直接使用 dangerouslySetInnerHTML 渲染为原始 HTML，且未进行任何 sanitization（内容净化），导致攻击者可以通过 API 或 MCP Token 写入包含 HTML 事件处理器的模板，在预览时执行恶意脚本，并访问特权接口 window.edgeeverDesktop 桥接对象。

CVSS 8.7 · High EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
tianma-if EdgeEver 1.6.0≤ 1.112.0 affected
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I. Basic Information for CVE-2026-109558

Vulnerability Information
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Vulnerability Title
EdgeEver 1.6.0 through 1.112.0 Stored XSS via TemplatesPane Template Preview
Source: CVE Program / CVE List V5
Vulnerability Description
EdgeEver 1.6.0 through 1.112.0 contains a stored cross-site scripting vulnerability in TemplatesPane.tsx that renders template contentMarkdown with raw HTML via dangerouslySetInnerHTML without sanitization. Attackers can write templates containing HTML event handlers through an API or MCP token to run script on preview and access the privileged window.edgeeverDesktop bridge.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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
tianma-if EdgeEver 1.6.0 ~ 1.112.0 -

II. Public POCs for CVE-2026-109558

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III. Intelligence Information for CVE-2026-109558

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Patches & Fixes for CVE-2026-109558 (1)

News Coverage for CVE-2026-109558 (2)

Other References for CVE-2026-109558 (1)

Same Patch Batch · tianma-if · 2026-10-12 · 4 CVEs total

CVE-2026-109557 8.7 HIGH EdgeEver through 1.112.0 Stored XSS via setMemoDragPreview Drag Preview
CVE-2026-109559 8.7 HIGH EdgeEver Desktop 1.6.26 through 1.112.0 Navigation Allowlist Bypass via will-navigate
CVE-2026-109556 8.0 HIGH EdgeEver Desktop 1.92.0 through 1.112.0 Local Program Execution via ACP IPC

IV. Related Vulnerabilities

Same product: EdgeEver
Same vendor: tianma-if
Same weakness: CWE-79

V. Comments for CVE-2026-109558

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