漏洞信息
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Vulnerability Title
Lack of input validation in Mailerup input parameter leads to Open Redirect
Vulnerability Description
Open redirect vulnerability (CWE-601) in the _safe_redirect function of the click-tracking endpoint (/c/<token>/) in Mailerup <1.0.0 on all platforms allows remote unauthenticated attackers to redirect victims to arbitrary external sites and conduct phishing attacks via a crafted u query parameter, because the URL scheme is validated (blocking javascript: and data:) but the destination host is not restricted to an allowlist, and a signing.BadSignature exception is silently caught so a valid signed token is not required.
CVSS Information
N/A
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)