CVE-2025-11209 in Chrome
Summary
by MITRE • 11/07/2025
Inappropriate implementation in Omnibox in Google Chrome on Android prior to 141.0.7390.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Medium)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 11/13/2025
The vulnerability identified as CVE-2025-11209 represents a significant security flaw in the Omnibox component of Google Chrome for Android platforms. This issue stems from an inadequate implementation that fails to properly validate or sanitize user input, creating a pathway for malicious actors to manipulate the visual representation of web addresses displayed in the browser's URL bar. The vulnerability specifically affects versions of Chrome prior to 141.0.7390.54, indicating a targeted security gap that was subsequently addressed through software updates.
The technical nature of this flaw allows a remote attacker to craft a malicious HTML page that can manipulate how the Omnibox displays information to users. This spoofing capability directly compromises the browser's user interface integrity by presenting misleading URL information that can deceive users into believing they are visiting legitimate websites when they are actually interacting with malicious content. The vulnerability operates at the user interface level rather than at the network or application layer, making it particularly dangerous as it exploits user trust in visual browser elements.
From an operational impact perspective, this vulnerability creates substantial risks for user security and privacy. When users encounter a spoofed Omnibox, they may inadvertently enter sensitive information such as login credentials or personal data on what they perceive to be legitimate websites. The attack vector relies on social engineering principles where users trust the visual appearance of the browser interface, which undermines fundamental security assumptions about browser integrity. This type of vulnerability directly relates to CWE-601, which addresses URL redirector vulnerabilities where applications fail to properly validate redirects or spoofed content.
The security implications extend beyond simple visual deception to encompass potential phishing attacks, credential theft, and broader user deception campaigns. Attackers can exploit this vulnerability to create convincing fake websites that appear legitimate to users, potentially leading to unauthorized access to accounts, financial fraud, or data breaches. The medium severity classification reflects the balance between the vulnerability's exploitable nature and the specific conditions required for successful exploitation. This vulnerability aligns with ATT&CK technique T1566.001 which covers spearphishing through social media, as the spoofed interface can be used to trick users into providing sensitive information.
Mitigation strategies should prioritize immediate software updates to Chrome version 141.0.7390.54 or later, which contain the necessary patches to address the implementation flaw. Users should also exercise heightened caution when interacting with unfamiliar websites and verify URL accuracy through multiple means beyond visual inspection of the browser interface. Security teams should monitor for potential exploitation attempts and educate users about the importance of verifying website authenticity through certificate checks and other security indicators. Organizations should implement network monitoring to detect potential exploitation attempts and ensure all mobile browser instances are kept current with security patches. The vulnerability demonstrates the critical importance of proper input validation and user interface integrity in browser security implementations, particularly in mobile environments where users may be more susceptible to visual deception attacks.