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Vulnerability DatabaseCVE-2025-1935

CVE-2025-1935: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2025-1935 is a security vulnerability discovered in Mozilla products that affects Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8. The vulnerability was disclosed on March 4, 2025, and was reported by security researcher Hafiizh (Mozilla Advisory).

Technical details

The vulnerability is classified as a clickjacking vulnerability that affects the registerProtocolHandler info-bar in Mozilla browsers. It has been assigned a low severity impact rating by Mozilla. The vulnerability allows a malicious web page to trick users into setting that site as the default handler for a custom URL protocol (Mozilla Advisory).

Impact

The primary impact of this vulnerability is that it could allow attackers to manipulate users into setting malicious websites as default handlers for custom URL protocols. This could potentially lead to future exploitation by redirecting protocol-specific actions to malicious handlers (Mozilla Advisory).

Mitigation and workarounds

The vulnerability has been fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird ESR 128.8. Users are advised to update their Mozilla products to these versions or later to mitigate the risk (Mozilla Advisory).

Additional resources

Source: This report was generated using AI

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