CVE-2026-85230— MISP Dashboard 按钮部件 JavaScript 注入漏洞
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 仪表盘的 ButtonWidget 配置中存在一个持久化的不安全 URL 注入漏洞。仪表盘组件的 URL 仅在组件渲染时进行验证，而在配置保存时未做验证。因此，能够修改仪表盘组件设置的经过身份验证的用户可以通过任意一种设置持久化路径，将任意 URL 值（包括使用 方案的 URL）持久化存储。 存储在仪表盘按钮中的恶意 URL，如果该值在到达渲染或导航路径时未经过现有的运行时验证，则可能在 MISP 的安全上下文中导致客户端脚本执行。这种执行可能允许攻击者以受影响用户的权限执行操作，或访问其 MISP 会话
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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
受影响产品
二、漏洞 CVE-2026-85230 的公开POC
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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 空/无效凭据 LDAP 认证绕过漏洞 |
| CVE-2026-85236 | 8.8 HIGH | MISP cullEmptyEvents CSRF导致GET请求不可逆删除事件漏洞 |
| CVE-2026-85237 | 8.6 HIGH | 邮箱OTP验证缺少限流导致暴力破解认证 |
| CVE-2026-85221 | 7.6 HIGH | MISP默认禁用TLS验证致中间人攻击 |
| CVE-2026-85238 | 7.6 HIGH | MISP CustomAuth 认证会话固定导致的劫持漏洞 |
| CVE-2026-85239 | 7.1 HIGH | MISP 事件模板定义校验绕过致服务中断 |
| CVE-2026-85227 | 6.1 MEDIUM | MISP 反射型跨站脚本漏洞 |
| CVE-2026-85226 | 5.3 MEDIUM | MISP OnDemand 相关引擎访问控制缺失漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-85230
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