CVE-2022-22759

If a document created a sandboxed iframe without <code>allow-scripts</code>, 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 Firefox ESR < 91.6.

• CWE-693

• https://bugzilla.mozilla.org/show_bug.cgi?id=1739957Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1739957Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1739957Issue Tracking, Vendor Advisory

Published

Dec 22, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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