Insufficient Input Validation in Google Chrome SanitizerAPI

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Insufficient validation of untrusted input in SanitizerAPI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-14023

EUVD

EUVD-2026-40711

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	150.0.7871.47

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in the SanitizerAPI component of Google Chrome versions prior to 150.0.7871.47. It allows a remote attacker to bypass the same origin policy by using a specially crafted HTML page.

Impact Analysis

An attacker exploiting this vulnerability could bypass the same origin policy, potentially allowing them to access or manipulate data from other origins that should be restricted. This could lead to unauthorized data access or actions within the browser.

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