Mozilla: Sandboxed iframes could have executed script if the parent appended elements

The Mozilla Foundation Security Advisory describes this flaw as: If a document created a sandboxed iframe without allow-scripts and subsequently appended an element to the iframe's document that, for example, had a JavaScript event handler - the event handler would have run despite the iframe's...

Mozilla: Sandboxed iframes could have executed script if the parent appended elements

The Mozilla Foundation Security Advisory describes this flaw as: If a document created a sandboxed iframe without allow-scripts and subsequently appended an element to the iframe's document that, for example, had a JavaScript event handler - the event handler would have run despite the iframe's...

Mozilla: Sandboxed iframes could have executed script if the parent appended elements

The Mozilla Foundation Security Advisory describes this flaw as: If a document created a sandboxed iframe without allow-scripts and subsequently appended an element to the iframe's document that, for example, had a JavaScript event handler - the event handler would have run despite the iframe's...

Mozilla: Sandboxed iframes could have executed script if the parent appended elements

The Mozilla Foundation Security Advisory describes this flaw as: If a document created a sandboxed iframe without allow-scripts and subsequently appended an element to the iframe's document that, for example, had a JavaScript event handler - the event handler would have run despite the iframe's...

UBUNTU-CVE-2022-22759

If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox 97, Thunderbird 91.6, and...