CVE-2026-85268
Cross-Site Scripting (XSS) in Firebase Auth Handler via Malicious Bundle ID
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A Cross-Site Scripting (XSS) (CWE-79) vulnerability in the auth/handler in Google Cloud Identity Platform and Firebase Authentication versions prior to 2026-08-14 on iOS allows an unauthenticated remote attacker to execute arbitrary JavaScript using a malicious iOS bundle ID.
| CWE | CWE-79 |
| Vendor | google cloud |
| Product | identity platform and firebase authentication |
| Published | Oct 30, 2026 |
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Affected Versions
Google Cloud / Identity Platform and Firebase Authentication
0 < 2026-08-14
References
Credits
🔍 Mathias Karlsson