PYSEC-2026-1736

vendorUSosv

Open WebUI Vulnerable to Cross-Site Scripting (XSS) via Chat File Upload

view advisory published 2026-07-07Licence: CC-BY-4.0

A Stored Cross-Site Scripting (XSS) vulnerability exists in the chat file upload functionality of open-webui/open-webui version 0.3.8. An attacker can inject malicious content into a file, which, when accessed by a victim through a URL or shared chat, executes JavaScript in the victim's browser. This can lead to user data theft, session hijacking, malware distribution, and phishing attacks.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-7044UShigh8.9—
A Stored Cross-Site Scripting (XSS) vulnerability exists in the chat file upload functionality of open-webui/open-webui version 0.3.8. An attacker can inject malicious content into…
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references

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