XSS in Open-webui
CVE-2025-64495
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 Promp…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Open-webui — versions < 0.6.35
- Openwebui Open_webui
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-64495?
- CVE-2025-64495 is a high-severity vulnerability in Open-webui, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-11-08.
- How severe is CVE-2025-64495?
- High severity. CVSS v3 base score is 8.7 out of 10.
- Is CVE-2025-64495 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.