Electron: window.open features string controls some window options considered privileged

Impact Some window options supplied by web content in the window.open features string were applied to the new BrowserWindow without an allowlist. Untrusted content could set window options it should not control, including options that cause the main process to access attacker-chosen file or netwo...

CVE-2026-70607 Electron: window.open features string controls some window options considered privileged

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, some window options supplied by web content in the window.open features string were applied to the new BrowserWindow without an allowlist...

CVE-2026-70607 Electron: window.open features string controls some window options considered privileged

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, some window options supplied by web content in the window.open features string were applied to the new BrowserWindow without an allowlist...