漏洞信息
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Vulnerability Title
Mastodon has a GET-Based Open Redirect via '/web/%2F<domain>'
Vulnerability Description
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.8, 4.4.15, and 4.3.21, an unauthenticated Open Redirect vulnerability (CWE-601) exists in the `/web/*` route due to improper handling of URL-encoded path segments. An attacker can craft a specially encoded URL that causes the application to redirect users to an arbitrary external domain, enabling phishing attacks and potential OAuth credential theft. The issue occurs because URL-encoded slashes (`%2F`) bypass Rails path normalization and are interpreted as host-relative redirects. Versions 4.5.8, 4.4.15, and 4.3.21 patch the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Vulnerability Title
Mastodon 输入验证错误漏洞
Vulnerability Description
Mastodon是Mastodon开源的一款基于ActivityPub的开源社交网络服务器。 Mastodon 4.5.8之前版本、4.4.15之前版本和4.3.21之前版本存在输入验证错误漏洞，该漏洞源于/web/*路由对URL编码路径段处理不当，可能导致未经验证的重定向和钓鱼攻击。
CVSS Information
N/A
Vulnerability Type
N/A