Essential Guide: CVE-2025-55204 - muffon has One-click Remote Code Execution via XSS and Custom URL Handling

CVE ID : CVE-2025-55204 Published : Jan. 5, 2026, 6:15 p.m. | 52 minutes ago Description : muffon is a cross-platform music streaming client for desktop. Versions prior to 2.3.0 have a one-click Remote Code Execution (RCE) vulnerability in. An attacker can exploit this issue by embedding a specially crafted `muffon://` link on any website they control. When a victim visits the site or clicks the link, the browser triggers Muffon’s custom URL handler, causing the application to launch and process the URL. This leads to RCE on the victim's machine without further interaction. Version 2.3.0 patches the issue. Severity: 8.8 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

Source: Telegram CVE Monitor