CVE-2025-63784 Open redirect in n/a
Attackers can redirect authenticated users to malicious sites via manipulated headers, enabling phishing attacks in the Onlook web application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-63784?
CVE-2025-63784 is a medium-severity vulnerability in n/a, published on 7 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An Open Redirect vulnerability exists in the OAuth callback handler in file onlook/apps/web/client/src/app/auth/callback/route.ts in Onlook web application 0.2.32. The vulnerability occurs because the application trusts the X-Forwarded-Host header value without proper validation when constructing a redirect URL. A remote attacker can send a manipulated X-Forwarded-Host header to redirect an authenticated user to an arbitrary external website under their control, which can be exploited for phishing attacks.
Weakness: CWE-601
Which versions are affected by CVE-2025-63784?
It affects 1 product.
Products include Onlook Onlook.
How do I fix CVE-2025-63784?
No fix has been published for CVE-2025-63784 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-63784 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63784 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r4cg-5xmx-26h7.