CVE-2025-24113 is a vulnerability identified in Apple Safari browsers that enables user interface spoofing when a user visits a malicious website. UI spoofing involves manipulating the browser's interface elements to deceive users into believing they are interacting with legitimate UI components, such as address bars, security indicators, or dialog boxes. This can facilitate phishing attacks or trick users into divulging sensitive information or performing unintended actions. The vulnerability affects Safari versions prior to 18.3 on macOS Sequoia, iOS, iPadOS, visionOS, and watchOS platforms. The root cause relates to insufficient UI integrity checks allowing crafted web content to mimic or overlay browser UI elements convincingly. Exploitation requires no privileges or authentication but does require user interaction in the form of visiting a malicious website. Apple addressed the issue by enhancing the UI rendering and validation mechanisms in Safari and related OS updates, closing the spoofing vectors. The CVSS v3.1 base score is 4.3, reflecting a medium severity due to the impact on integrity without affecting confidentiality or availability. No known active exploits have been reported, but the potential for phishing and social engineering attacks remains significant. Organizations relying on Apple devices should apply the patches promptly to prevent exploitation.

The primary impact of CVE-2025-24113 is on the integrity of the user interface, enabling attackers to deceive users by presenting fake browser UI elements. This can lead to successful phishing attacks, credential theft, or unauthorized actions performed by users under false pretenses. While the vulnerability does not directly compromise system confidentiality or availability, the indirect consequences can be severe, including account compromise, data leakage, and financial fraud. Since the attack vector is a malicious website, any user visiting such a site on an unpatched Safari browser is at risk. Organizations with employees or customers using affected Apple devices may face increased phishing risks, potentially undermining trust and leading to security incidents. The lack of known exploits in the wild suggests limited immediate threat, but the ease of exploitation and widespread device usage mean the risk could escalate rapidly if exploited. The vulnerability also affects multiple Apple platforms, broadening the scope of affected systems globally.

To mitigate CVE-2025-24113, organizations and users should immediately update Safari to version 18.3 or later and ensure all Apple devices are running the corresponding patched OS versions: iOS 18.3/18.4, iPadOS 17.7.6/18.3/18.4, macOS Sequoia 15.3/15.4, visionOS 2.3/2.4, and watchOS 11.4. Beyond patching, organizations should implement user awareness training focused on recognizing phishing attempts and suspicious websites. Deploying web filtering solutions that block access to known malicious sites can reduce exposure. Enforcing strict content security policies and using browser extensions that highlight URL authenticity may help users detect spoofing attempts. Monitoring network traffic for unusual patterns and employing endpoint detection tools can assist in early detection of exploitation attempts. For high-risk environments, consider restricting Safari usage or enforcing alternative browsers with different security postures until patches are applied. Regular vulnerability scanning and compliance checks should verify that all Apple devices remain up to date. Finally, incident response plans should include procedures for phishing attack investigation and remediation.