CVE-2026-65904

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904 DOMPurify through 3.3.3 Cross-Site Scripting via IN_PLACE mode

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904

CVE-2026-65904 affects DOMPurify up to version 3.4.3. In IN_PLACE mode, elements sourced from a different window/realm (e.g., iframe contentDocument) fail sanitization due to a cross-realm instanceof check in private _isNode(). The check returns false for foreign-realm nodes, causing the element ...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Internals in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to spoof the origin of an iframe via a crafted HTML page. Chromium security severity: Low...

GHSA-R5P7-GP4J-QHRX Electron: Incorrect origin passed to permission request handler for iframe requests

Impact When an iframe requests fullscreen, pointerLock, keyboardLock, openExternal, or media permissions, the origin passed to session.setPermissionRequestHandler was the top-level page's origin rather than the requesting iframe's origin. Apps that grant permissions based on the origin parameter ...

firefox: thunderbird: Confusing display of origin for external protocol handler prompt

The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an iframe...

UBUNTU-CVE-2023-1236

Inappropriate implementation in Internals in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to spoof the origin of an iframe via a crafted HTML page. Chromium security severity: Low...