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JS
JavaScript error

Error

The JavaScript exception "Permission denied to access property" occurs when there was an attempt to access an object for which you have no permission.

Reference entryJavaScriptFetched
This is a reference entry from MDN Web Docs. A full explanation with fixes has not been written yet.

The error messages

DOMException: Blocked a frame with origin "x" from accessing a cross-origin frame. (Chromium-based)
As listed by MDN Web Docs
DOMException: Permission denied to access property "x" on cross-origin object (Firefox)
As listed by MDN Web Docs
SecurityError: Blocked a frame with origin "x" from accessing a cross-origin frame. Protocols, domains, and ports must match. (Safari)
As listed by MDN Web Docs

Details

Category
DOMException
Severity
error
Runtime
both

Related errors

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Source: MDN Web Docs. Data fetched 2026-09-25T01:48:37.274Z.