Vulnerability Information
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Vulnerability Title
Stored cross site scripting (XSS) vulnerability via Authorization Endpoint in user_oidc
Vulnerability Description
user_oidc is an OpenID Connect user backend for Nextcloud. Versions prior to 1.2.1 did not properly validate discovery urls which may lead to a stored cross site scripting attack vector. The impact is limited due to the restrictive CSP that is applied on this endpoint. Additionally this vulnerability has only been shown to be exploitable in the Safari web browser. This issue has been addressed in version 1.2.1. Users are advised to upgrade. Users unable to upgrade should urge their users to avoid using the Safari web browser.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Vulnerability Type
输入验证不恰当
Vulnerability Title
Nextcloud 输入验证错误漏洞
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud user_oidc 1.2.1之前版本存在输入验证错误漏洞，该漏洞源于端点应用了限制性的CSP，这可能导致存储型跨站脚本。
CVSS Information
N/A
Vulnerability Type
N/A