Description
Insufficient validation of untrusted input in Input in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
Published: 2026-06-17
Score: 4.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6351-1 chromium security update
History

Fri, 19 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title Untrusted Input Validation Failure Allows Same‑Origin Policy Bypass in Chrome chromium-browser: chromium-browser: Insufficient validation of untrusted input in Input
Weaknesses CWE-346
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 18 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Title Untrusted Input Validation Failure Allows Same‑Origin Policy Bypass in Chrome

Wed, 17 Jun 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 17 Jun 2026 07:00:00 +0000

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

Wed, 17 Jun 2026 05:15:00 +0000

Type Values Removed Values Added
Description Insufficient validation of untrusted input in Input in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-17T10:56:01.436Z

Reserved: 2026-06-16T19:38:28.932Z

Link: CVE-2026-12453

cve-icon Vulnrichment

Updated: 2026-06-17T10:55:54.356Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-06-17T01:38:18Z

Links: CVE-2026-12453 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-19T14:15:04Z

Weaknesses