PT-2025-45470 · Onelook · Onlook

Published 2025-11-07 · Updated 2025-11-12 · CVE-2025-63784

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Onlook web application version 0.2.32

Description An Open Redirect issue exists in the OAuth callback handler located in the file onlook/apps/web/client/src/app/auth/callback/route.ts. The application improperly validates the X-Forwarded-Host header when building a redirect URL. An attacker can exploit this by sending a crafted X-Forwarded-Host header, potentially redirecting an authenticated user to a malicious website for phishing attacks.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider implementing strict validation of the X-Forwarded-Host header to prevent manipulation.

Exploit

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

CVE-2025-63784

Affected Products

Onlook

References · 6

• 🔥 https://blog.soohyun.tech/CVE-2025-63784-Open-Redirect-in-Onlook-27e557175d2e80ac8641fab59dc36021 · Exploit
• https://osv.dev/vulnerability/CVE-2025-63784 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63784 · Security Note
• https://tossbank.notion.site/Open-Redirect-in-onlook-27e557175d2e80ac8641fab59dc36021 · Note
• https://t.me/cveNotify/142573 · Telegram Post
• https://t.me/cveNotify/142131 · Telegram Post