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CVE-2022-22759

CRITICAL CVSS: 9.6 Published: 2022-12-22 Modified: 2026-06-17

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 < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Affected Platforms

Mozilla FirefoxMozilla ThunderbirdMozilla Firefox Esr

Weakness Type

NVD-CWE-noinfo, CWE-693

References