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CVE-2026-91922— Steedos Platform through 3.0.15-beta.47 Reflected XSS via page render

Quick assessment

Affected
steedos steedos-platform
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.

Steedos 平台版本 3.0.15-beta.47 存在一个反射型跨站脚本（XSS）漏洞，该漏洞位于匿名的 端点。该端点未对查询参数进行适当的转义，特别是在内联脚本元素中。攻击者可以构造包含脚本终止序列的恶意链接，通过 或 参数，在受害者的会话中执行任意 JavaScript 代码，并窃取 凭证。

CVSS 6.1 · Medium
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I. Basic Information for CVE-2026-91922

Vulnerability Information
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Vulnerability Title
Steedos Platform through 3.0.15-beta.47 Reflected XSS via page render
Source: CVE Program / CVE List V5
Vulnerability Description
Steedos Platform through 3.0.15-beta.47 contains a reflected cross-site scripting vulnerability in the anonymous /api/page/render endpoint that fails to properly escape query parameters in inline script elements. Attackers can craft malicious links with script-terminating sequences in the schemaApi or data parameters to execute arbitrary JavaScript in victim sessions and steal X-Auth-Token credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
steedos steedos-platform 0 ~ 3.0.15-beta.47 -

II. Public POCs for CVE-2026-91922

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-91922

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Vendor Advisories for CVE-2026-91922 (1)

Proof of Concept for CVE-2026-91922 (2)

Other References for CVE-2026-91922 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-91922

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