CVE-2026-11225 in Chrome
Summary
by MITRE • 06/05/2026
Inappropriate implementation in WebUI in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to perform domain spoofing via a crafted domain name. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 06/05/2026
The vulnerability in question represents an inadequate implementation within the WebUI component of Google Chrome versions prior to 149.0.7827.53, specifically related to how the browser handles and displays domain names in its user interface. This flaw enables remote attackers to exploit domain spoofing techniques through the careful crafting of domain names that can deceive users into believing they are visiting legitimate websites when in fact they are interacting with malicious actors. The issue stems from insufficient validation and sanitization of domain names within the browser's user interface elements, creating an opportunity for attackers to manipulate visual representations of web addresses to appear trustworthy.
The technical nature of this vulnerability involves the manipulation of how domain names are rendered in Chrome's interface, particularly in address bars, security indicators, or other visual elements that users rely upon for website identification. Attackers can craft domain names that exploit character encoding differences, homograph attacks, or other presentation-related flaws to create visually convincing but fraudulent website representations. This type of vulnerability falls under the broader category of user interface deception attacks, where the attacker's goal is to manipulate user perception rather than directly compromising system security. The Chromium security severity rating of low indicates the vulnerability's limited direct impact on system integrity, though its potential for social engineering remains significant.
The operational impact of this vulnerability extends beyond simple visual deception to encompass potential security risks for users who may inadvertently trust malicious websites. When users are deceived into believing they are visiting legitimate sites, they may unknowingly enter credentials, personal information, or perform actions that benefit the attacker. The attack surface is particularly concerning because it targets the fundamental trust mechanisms that users place in browser security indicators and address bar representations. This vulnerability could be exploited in phishing campaigns, where attackers craft domain names that closely resemble legitimate organizations, potentially leading to credential theft, financial fraud, or data breaches.
Mitigation strategies for this vulnerability focus primarily on updating to Chrome version 149.0.7827.53 or later, where Google has implemented proper validation and sanitization of domain names within the WebUI. Organizations should ensure their users maintain up-to-date browser versions and implement additional security measures such as network monitoring for suspicious domain activity and user education about recognizing potential spoofing attempts. The vulnerability aligns with attack patterns described in the attack tree framework, where user interface manipulation serves as a precursor to more sophisticated attacks. From a compliance perspective, this issue relates to security standards that require proper input validation and user interface security controls to prevent deception attacks, particularly in environments where browser-based threats are prevalent. Organizations should also consider implementing additional layers of protection such as web application firewalls and DNS-based security controls to reduce the effectiveness of such attacks even if users inadvertently encounter malicious domains.