NPM: Electron: Sandboxed iframes can launch external protocol handlers

NPM: Electron: Sandboxed iframes can launch external protocol handlers vulnerability discovered by ? in WordPress Npm electron versions 39.8.8...

CVE-2026-70612 Electron: Sandboxed iframes can launch external protocol handlers

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, requests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could...

CVE-2026-70612 Electron: Sandboxed iframes can launch external protocol handlers

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, requests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could...

CVE-2026-70612

The vulnerability CVE-2026-70612 affects Electron. It occurs when web content in sandboxed iframes can trigger external protocol handlers, because iframe sandbox restrictions were not applied to openExternal requests and the frame state wasn’t exposed to permission handlers. This could allow an O...

CVE-2025-67230

Improper permissions in the handler for the Custom URL Scheme in ToDesktop Builder v0.33.0 allows attackers with renderer-context access to invoke external protocol handlers without sufficient validation...

CVE-2025-67230

Improper permissions in the handler for the Custom URL Scheme in ToDesktop Builder v0.33.0 allows attackers with renderer-context access to invoke external protocol handlers without sufficient validation...

CVE-2025-3839 Epiphany: insecure external protocol invocation in epiphany

A flaw was found in Epiphany, a tool that allows websites to open external URL handler applications with minimal user interaction. This design can be misused to exploit vulnerabilities within those handlers, making them appear remotely exploitable. The browser fails to properly warn or gate this...

CVE-2025-3839 Epiphany: insecure external protocol invocation in epiphany

A flaw was found in Epiphany, a tool that allows websites to open external URL handler applications with minimal user interaction. This design can be misused to exploit vulnerabilities within those handlers, making them appear remotely exploitable. The browser fails to properly warn or gate this...

ToDesktop Builder security vulnerabilities

ToDesktop Builder is a desktop application building tool developed by ToDesktop Company in Ireland. Version 0.33.0 of ToDesktop Builder contains a security vulnerability. This vulnerability stems from improper permissions granted to the custom URL scheme handler, which may allow attackers to invo...

CVE-2025-67230

Improper permissions in the handler for the Custom URL Scheme in ToDesktop Builder v0.33.0 allows attackers with renderer-context access to invoke external protocol handlers without sufficient validation...

PT-2026-4497

Name of the Vulnerable Software and Affected Versions ToDesktop Builder version 0.33.0 Description A flaw exists in the Custom URL Scheme handler within ToDesktop Builder. Insufficient validation when invoking external protocol handlers from the renderer context allows attackers with...

MiracleLinux 9 : thunderbird-128.3.0-1.el9_4.ML.1 (AXSA:2024-8890:22)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2024-8890:22 advisory. thunderbird: 115.16/128.3 firefox: thunderbird: Specially crafted WebTransport requests could lead to denial of service CVE-2024-9399 firefox:...

EUVD-2020-27671

Malware in sbrugna...

RLSA-2024:7699 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: 115.16/128.3 firefox: thunderbird: Specially crafted WebTransport requests could lead to denial of service CVE-2024-9399 firefox: thunderbird: Memory safety bugs fixed in Firefox 131 and Thunderbird 131...

firefox security update

An update is available for firefox. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

RockyLinux 8 : thunderbird (RLSA-2024:7699)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:7699 advisory. thunderbird: 115.16/128.3 firefox: thunderbird: Specially crafted WebTransport requests could lead to denial of service CVE-2024-9399 firefox: thunderbir...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

firefox: thunderbird: External protocol handlers could be enumerated via popups

The Mozilla Foundation's Security Advisory: By checking the result of calls to window.open with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 8 : thunderbird (RHSA-2024:8169)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:8169 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: 115.16/128.3 firefox: thunderbird: Specially...