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I. Basic Information for CVE-2025-64495
Vulnerability Information
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Vulnerability Title
Open WebUI vulnerable to Stored DOM XSS via prompts when 'Insert Prompt as Rich Text' is enabled resulting in ATO/RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. In versions 0.6.34 and below, the functionality that inserts custom prompts into the chat window is vulnerable to DOM XSS when 'Insert Prompt as Rich Text' is enabled, since the prompt body is assigned to the DOM sink .innerHtml without sanitisation. Any user with permissions to create prompts can abuse this to plant a payload that could be triggered by other users if they run the corresponding / command to insert the prompt. This issue is fixed in version 0.6.35.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Open WebUI 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open WebUI是Open WebUI开源的一个可扩展、功能丰富、用户友好的自托管 WebUI。 Open WebUI 0.6.34及之前版本存在跨站脚本漏洞，该漏洞源于将提示正文分配给DOM接收器innerHtml时未进行清理，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
open-webuiopen-webui < 0.6.35 -
II. Public POCs for CVE-2025-64495
#POC DescriptionSource LinkShenlong Link
1Open WebUI vulnerable to Stored DOM XSS via prompts when 'Insert Prompt as Rich Text' is enabled resulting in ATO/RCEhttps://github.com/AlphabugX/CVE-2025-64495-POCPOC Details
2CVE-2025-64495https://github.com/B1ack4sh/Blackash-CVE-2025-64495POC Details
3CVE-2025-64495https://github.com/Ashwesker/Blackash-CVE-2025-64495POC Details
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III. Intelligence Information for CVE-2025-64495
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IV. Related Vulnerabilities
Same product: open-webui
Same vendor: open-webui
Same weakness: CWE-79
V. Comments for CVE-2025-64495

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