Security Advisory

CVE-2022-22759

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-12-22 00:00:00

Last updated 2025-04-16 14:36:55

Assigner mozilla

State PUBLISHED

Description

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

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