Description
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)
Published: 2026-09-29
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Remote code execution via cross‑site scripting in Chrome WebUI
Action: Patch immediately
AI Analysis

Impact

The vulnerability is a reflected cross‑site scripting flaw in the Chrome WebUI that lets a remote attacker inject and execute arbitrary JavaScript inside a privileged page. By creating a specially crafted HTML page and tricking a user into viewing it, the attacker can bypass the web origin policy and run code with elevated privileges within the browser context, potentially stealing data or executing further attacks. Based on the description, it is inferred that the attacker must entice a user to open the malicious page to trigger the exploit. The weakness is identified as CWE‑79, a type of input validation vulnerability. The documented severity is medium with a CVSS score of 6.1.

Affected Systems

The affected product is Google Chrome. The vulnerability exists in all versions prior to 154.0.8037.92, but the exact version range is not provided in the CVE data.

Risk and Exploitability

The CVSS score of 6.1 indicates a medium impact, and the EPSS score is below 1%, suggesting a very low probability of exploitation at present. The vulnerability can be exploited by hosting a malicious HTML page that a user opens in Chrome, so the attack vector is web‑based and requires user interaction. Based on the description, it is inferred that the attacker must persuade a victim to open the malicious page to take advantage of the flaw. The vulnerability is not listed in the CISA KEV catalog, but the medium severity and the availability of a browser patch mean that the risk remains significant until the update is deployed.

Generated by OpenCVE AI on September 30, 2026 at 23:15 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade Google Chrome to version 154.0.8037.92 or later.
  • If updating is not possible, block or disable Chrome WebUI features by enforcing enterprise policy to restrict WebUI usage.
  • Deploy endpoint or network security controls that filter malicious HTML content and block known XSS payloads from loading in Chrome.

Generated by OpenCVE AI on September 30, 2026 at 23:15 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4811-1 chromium security update
Debian DSA Debian DSA DSA-6535-1 chromium security update
History

Wed, 30 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Wed, 30 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: chromium-browser: Cross-site scripting in WebUI
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important


Tue, 29 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 29 Sep 2026 20:00:00 +0000

Type Values Removed Values Added
Description 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)
Weaknesses CWE-79
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-30T16:53:27.926Z

Reserved: 2026-09-28T21:45:24.146Z

Link: CVE-2026-102329

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T20:17:16.340

Modified: 2026-09-30T19:35:51.177

Link: CVE-2026-102329

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-29T19:45:05Z

Links: CVE-2026-102329 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T23:30:07Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')