CVE-2022-0803 in Edge
Summary
by MITRE • 04/05/2022
Inappropriate implementation in Permissions in Google Chrome prior to 99.0.4844.51 allowed a remote attacker to tamper with the contents of the Omnibox (URL bar) via a crafted HTML page.
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Analysis
by VulDB Data Team • 05/30/2026
This vulnerability represents a critical permission handling flaw in Google Chrome's implementation that affected versions prior to 99.0.4844.51. The issue stems from inadequate validation mechanisms within the browser's permission system, specifically related to how the Omnibox component processes and displays content. The vulnerability is classified under CWE-284 which addresses improper access control and privilege management within software systems. Attackers could exploit this weakness by crafting malicious HTML pages that manipulate the browser's address bar display, potentially leading to phishing attacks or other deceptive user interactions.
The technical exploitation occurs through a remote code execution vector where malicious content can manipulate the Omnibox interface without proper user consent or awareness. This flaw allows attackers to inject arbitrary content into the browser's address bar, creating a false sense of security for users who may be deceived into believing they are visiting legitimate websites. The vulnerability operates at the intersection of browser security boundaries and user interface rendering, making it particularly dangerous as it directly impacts user trust in the browser's authenticity indicators.
From an operational perspective, this vulnerability poses significant risks to user security and privacy. The ability to manipulate the Omnibox content provides attackers with a powerful vector for social engineering attacks, where users might be tricked into entering sensitive information on fraudulent websites that appear legitimate due to the manipulated address bar display. This weakness can be leveraged in conjunction with other attack vectors to create sophisticated phishing campaigns that bypass traditional security measures. The impact extends beyond individual user compromise to potential large-scale credential theft and data exfiltration operations.
The recommended mitigations include immediate deployment of Chrome version 99.0.4844.51 or later which contains the necessary fixes for this permission handling flaw. Organizations should also implement additional security measures such as network monitoring for suspicious HTML content and user education about recognizing phishing attempts. Browser security updates should be prioritized and deployed through automated patch management systems. Security teams should monitor for any related vulnerabilities that might exploit similar permission handling weaknesses and consider implementing browser hardening configurations that restrict unnecessary permissions for web content. This vulnerability highlights the importance of maintaining up-to-date browser security implementations and demonstrates how seemingly minor permission flaws can create significant security risks for end users.