CVE-2022-22759
If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's doc
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.
CRITICAL · CVSS 9.6
EPSS 0.00328
Schedule remediation
- CVSS base score ≥ 7.0
Sigma rules1
YARA rules0