What is CVE-2026-102329?

CVE-2026-102329 is a medium-severity vulnerability in Google Chrome, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-09-29.

How severe is CVE-2026-102329?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Google Chrome

CVE-2026-102329

Cross-site scripting in WebUI in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-09-29 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Google Chrome

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-102329?: CVE-2026-102329 is a medium-severity vulnerability in Google Chrome, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-09-29.
How severe is CVE-2026-102329?: Medium severity. CVSS v3 base score is 6.1 out of 10.