Open WebUI Vulnerable to Stored DOM XSS via Note 'Download PDF

Description

A Stored XSS vulnerability has been discovered in Open-WebUI’s Notes PDF download functionality. An attacker can import a Markdown file containing malicious SVG tags into Notes, allowing them to execute arbitrary JavaScript code and steal session tokens when a victim downloads the note as PDF.

Recommendation

Update the open-webui package to the latest compatible version. Followings are version details:

• Affected version(s): <= 0.6.36
• Patched version(s): 0.6.37

References

• GHSA-8wvc-869r-xfqf
• CVE-2025-65959
• CWE-116
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Open WebUI vulnerable to Stored DOM XSS via prompts when 'Insert Prompt as Rich Text' is enabled resulting in ATO/RCE - CVE-2025-64495
• open-webui Vulnerable to Stored XSS via Model Description - CVE-2026-44721
• Open WebUI has Stored XSS in Banner Component via Improper Sanitization Order - CVE-2026-45665
• wetty vulnerable to DOM XSS via file-download filename - CVE-2026-49864

You might also like:

How to Secure your NodeJs Express Javascript Application - part 1

CSRF, XXE, and 12 Other Security Acronyms Explained

How do hackers hack websites?

Tags:

npm

open-webui