Severity:
HIGH RISK
(7.5)
Improper Origin Validation in Cross-Window Messaging
CVE-2026-41886
Deferred
Vulnerability Type
Category:
Improper Origin Validation in Cross-Window Messaging
CWE:
CWE-79;CWE-346
Impact:
Cross-Context Content and State Manipulation (potential XSS)
Severity:
HIGH RISK
(7.5)
CVSS Version:
3.1
Catch This CVE While Code Is Being Written
Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.
Summary
Affected Context
Exploit Preconditions
Why This Happens
Potential Impact
General Mitigation Guidance
How Teams Detect Issues Like This
Frequently Asked Questions
Source
NDV
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