Bug 2530399 (CVE-2026-87632)

Summary: CVE-2026-87632 chromium-browser: Chromium: Cross-site scripting allows remote attacker to bypass web origin policy
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in Chromium. This vulnerability, known as cross-site scripting (XSS), exists within the SanitizerAPI. A remote attacker could exploit this by creating a specially designed web page, allowing them to bypass security restrictions and potentially gain unauthorized access to sensitive information or perform actions on behalf of the user.
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Bug Depends On: 2542201, 2542202, 2542206    
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Description OSIDB Bzimport 2026-09-09 01:12:00 UTC
Cross-site scripting in SanitizerAPI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)