CVE-2022-1306 in Chrome
Summary
by MITRE • 07/25/2022
Inappropriate implementation in compositing in Google Chrome prior to 100.0.4896.88 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
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Analysis
by VulDB Data Team • 06/30/2026
This vulnerability represents a critical flaw in google chrome's compositing engine that enabled remote code execution through malicious html page manipulation. The issue stemmed from an inadequate implementation in how chrome handled visual composition of web elements, specifically affecting the omnibox display functionality. Attackers could craft specially designed html pages that would manipulate the visual rendering process to spoof or replace the contents of the url bar, creating a deceptive user experience that could facilitate phishing attacks or other social engineering exploits.
The technical root cause involved improper validation and handling of composited visual elements within chrome's rendering pipeline. When chrome processed certain html constructs, it failed to adequately sanitize or verify the integrity of visual components being rendered in the omnibox area. This allowed malicious actors to inject crafted content that would appear as legitimate url bar information while actually displaying deceptive or malicious data. The vulnerability specifically targeted the compositor thread's handling of visual elements, which operates at a lower level than typical web rendering processes and directly influences how user interface components are displayed.
The operational impact of this vulnerability was significant as it compromised one of the most critical security indicators in web browsers. Users could be deceived into believing they were visiting legitimate websites when actually interacting with malicious content, as the url bar spoofing would make phishing attacks appear more convincing. This vulnerability directly undermined user trust and browser security mechanisms that rely on the omnibox as a primary verification point for website authenticity. The attack vector required only a crafted html page, making it easily exploitable through email attachments, compromised websites, or social media links.
This issue aligns with common weakness enumeration cwes 20 and 79, representing input validation flaws and cross-site scripting vulnerabilities respectively. The vulnerability also maps to attack technique t1059 in the mitre att&ck framework, specifically targeting user execution through malicious web content. Organizations should implement immediate mitigations including updating to chrome version 100.0.4896.88 or later, deploying browser security policies that restrict potentially dangerous html elements, and educating users about recognizing spoofed url bar indicators. Additional defensive measures include network monitoring for suspicious web traffic patterns and implementing content security policies that prevent unauthorized script execution within browser environments.