Description
Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-09-09
Score: 4.3 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

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History

Wed, 09 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

ssvc

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

Wed, 09 Sep 2026 07:30:00 +0000

Type Values Removed Values Added
Title Improper CSS Encoding in Chrome Allows Web Origin Policy Bypass

Wed, 09 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Description Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-116
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-09T17:25:39.810Z

Reserved: 2026-09-08T22:40:22.684Z

Link: CVE-2026-87550

cve-icon Vulnrichment

Updated: 2026-09-09T17:25:08.112Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-09T01:17:12.570

Modified: 2026-09-09T18:17:03.517

Link: CVE-2026-87550

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T07:15:06Z

Weaknesses