漏洞信息
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Vulnerability Title
MISP Dashboard Button Widget Allows Stored XSS via Unsafe javascript: and Backslash URLs
Vulnerability Description
Affected versions of MISP insufficiently validate URLs used by dashboard widgets, particularly the Button widget.
The widget's URL is stored configuration controlled by a user. The previous renderer considered a URL safe if it appeared relative or if its parsed hostname matched the configured MISP hostname. That logic failed to reject dangerous schemes and URL forms that browsers normalize differently from PHP's URL parsing.
As a result, values such as javascript: URLs or backslash-based authority forms could reach the generated anchor's href and execute script or navigate to an attacker-controlled origin when another user interacted with the widget. The upstream commit describes the issue as:
“javascript: and backslash URLs reached the href (stored XSS)”.
The fix routes widget URLs through a shared DashboardURLValidator, rejects dangerous schemes, raw backslashes, control characters, and unauthorized absolute origins, and validates the URL both in the widget handler and renderer.
Version affected: ≤2.5.45
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
MISP 输入验证错误漏洞
Vulnerability Description
MISP是MISP组织开源的一个威胁情报共享与分析平台。 MISP 2.5.45及之前版本存在安全漏洞,该漏洞源于对仪表盘小部件(尤其是Button小部件)使用的URL验证不足,可能导致存储型跨站脚本攻击。
CVSS Information
N/A
Vulnerability Type
N/A