XSS in Google Chrome
CVE-2026-17903
Insufficient policy enforcement in Chromecast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to inject scripts or HTML into a privileged page via malicious network traffic. (Chromium security sever…
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Google Chrome — versions 151.0.7922.72
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-17903?
- CVE-2026-17903 is a medium-severity vulnerability in Google Chrome, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-30.
- How severe is CVE-2026-17903?
- Medium severity. CVSS v3 base score is 5.4 out of 10.