vulnerability

Red Hat: CVE-2022-22759: CVE-2022-22759 Mozilla: Sandboxed iframes could have executed script if the parent appended elements (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Feb 14, 2022
Added
Feb 17, 2022
Modified
Jul 9, 2025

Description

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

Solution(s)

no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource
Title
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