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firefox

Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117.

CVE-2023-4579 is a security vulnerability identified in Mozilla Firefox versions prior to 117. The issue arises when the default search engine processes search queries that are well-formed URLs. In such cases, the search query could be displayed or interpreted as the currently navigated URL, leading to a scenario where a maliciously set default search engine can spoof legitimate websites. This spoofing can deceive users into believing they are visiting a trusted site when, in fact, they are interacting with a malicious or fraudulent page. The vulnerability exploits the way Firefox handles and displays search queries from the default search engine, causing confusion in the browser's address bar or UI elements that indicate the current site. This flaw does not require advanced exploitation techniques or user interaction beyond performing a search using the default engine. No known exploits have been reported in the wild as of the publication date. The vulnerability affects all Firefox versions before 117, and the fix involves updating to version 117 or later where the issue has been addressed. The absence of a CVSS score suggests the need for an independent severity assessment based on the impact and exploitability characteristics.

Detailed information about CVE-2023-4579: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation s

CVE-2023-4579: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-4579: Vulnerability in Mozilla Firefox

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