漏洞信息
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Vulnerability Title
Open WebUI: Cross-origin postMessage confirmation bypass via action:submit
Vulnerability Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt() in an authenticated victim session. I validated this with a cross-origin attacker page that auto-posted messages and caused unauthorized POST /api/v1/chats/new and POST /api/chat/completions requests containing attacker-controlled prompts. This enables cross-site forced actions and model/tool execution under victim privileges without consent. This vulnerability is fixed in 0.9.6.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Type
源验证错误
Vulnerability Title
Open WebUI 输入验证错误漏洞
Vulnerability Description
Open WebUI是Open WebUI团队开源的一个可扩展、功能丰富、用户友好的自托管 WebUI。 Open WebUI 0.9.6之前版本存在输入验证错误漏洞,该漏洞源于聊天消息监听器允许非同源input:prompt和action:submit消息,可能导致外部站点设置提示文本并在已认证的受害者会话中触发submitPrompt(),从而实现跨站强制操作和模型/工具在受害者权限下未经同意的执行。
CVSS Information
N/A
Vulnerability Type
N/A