CVE-2026-85230— MISP 输入验证错误漏洞
一分钟漏洞结论
影响对象
misp misp
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
MISP是MISP组织开源的一套开源的软件解决方案。该产品用于收集、存储、分发、共享网络安全指标,并具有威胁网络安全事件分析和恶意软件分析等功能。 MISP 2.5.45及之前版本存在安全漏洞，该漏洞源于MISP dashboard ButtonWidget配置在保存时未对URL进行验证，仅渲染时验证，可能允许经过身份验证的用户持久化包含javascript:协议的任意URL，导致在MISP安全上下文中执行客户端脚本，从而以受影响用户权限执行操作或访问会话信息。
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一、 漏洞 CVE-2026-85230 基础信息
漏洞信息
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Vulnerability Title
MISP Dashboard Button Widget Allows Persistent JavaScript URL Injection
来源: CVE Program / CVE List V5
Vulnerability Description
A persistent unsafe URL injection vulnerability exists in the MISP dashboard ButtonWidget configuration. Dashboard widget URLs were validated only when the widget was rendered and were not validated when the configuration was saved. As a result, an authenticated user able to modify dashboard widget settings could persist arbitrary URL values, including URLs using the javascript: scheme, through either of the dashboard settings persistence paths.
A malicious javascript: URL stored in a dashboard button could potentially result in client-side script execution in the MISP security context if the value reached a rendering or navigation path without the existing runtime validation. Such execution could allow an attacker to perform actions with the privileges of the affected user or access information available to their MISP session.
The practical exploitability of this issue is reduced by the fact that MISP already applied URL validation at render time, which neutralized known malicious values before they were presented to the user. The vulnerability therefore represents a persistence-layer validation gap and a defense-in-depth weakness rather than evidence of a direct bypass of the existing rendering protection.
The patch introduces a canonical url schema type and validates dashboard widget configuration before it is persisted through either settings save mechanism. ButtonWidget URLs must now be strings resolving to an absolute path on the current MISP instance or a full URL with the same origin. Values using javascript:, external origins, malformed URL forms, and non-string values are rejected at save time.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
来源: 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)
来源: CVE Program / CVE List V5
Vulnerability Title
MISP 输入验证错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
MISP是MISP组织开源的一套开源的软件解决方案。该产品用于收集、存储、分发、共享网络安全指标,并具有威胁网络安全事件分析和恶意软件分析等功能。 MISP 2.5.45及之前版本存在安全漏洞，该漏洞源于MISP dashboard ButtonWidget配置在保存时未对URL进行验证，仅渲染时验证，可能允许经过身份验证的用户持久化包含javascript:协议的任意URL，导致在MISP安全上下文中执行客户端脚本，从而以受影响用户权限执行操作或访问会话信息。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2026-85230 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-85230 补丁与修复 (1)
同批安全公告 · misp · 2026-09-03 · 共 9 条
| CVE-2026-85216 | 9.5 CRITICAL | MISP 授权问题漏洞 |
| CVE-2026-85236 | 8.8 HIGH | MISP 跨站请求伪造漏洞 |
| CVE-2026-85237 | 8.6 HIGH | MISP 授权问题漏洞 |
| CVE-2026-85221 | 7.6 HIGH | MISP 加密问题漏洞 |
| CVE-2026-85238 | 7.6 HIGH | MISP 会话机制问题漏洞 |
| CVE-2026-85239 | 7.1 HIGH | MISP 输入验证错误漏洞 |
| CVE-2026-85227 | 6.1 MEDIUM | MISP 跨站脚本漏洞 |
| CVE-2026-85226 | 5.3 MEDIUM | MISP 授权问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-85230
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