CVE-2022-22759

CVSS 9.6 CRITICALEPSS 0.7%CWE-693

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.6EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Dec 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1739957 https://www.mozilla.org/security/advisories/mfsa2022-04/https://www.mozilla.org/security/advisories/mfsa2022-05/https://www.mozilla.org/security/advisories/mfsa2022-06/