by Kastro
Paper/Archive/CVE-2022-22759

CVE-2022-22759

Mozilla Firefox — If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's documen…

EPSS 0.8%public exploitCVSS 9.6
critical.is priorityof 100
50
CVSS 9.6 (NVD, ADP agree)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 56.1.561 × 2011.2Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Firefoxunspecified – < 9797CNA
Thunderbirdunspecified – < 91.691.6CNA
Firefox ESRunspecified – < 91.691.6CNA

Scores by source

CISA ADP9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

refmozilla.org/security/advisories/mfsa2022-05refmozilla.org/security/advisories/mfsa2022-04refmozilla.org/security/advisories/mfsa2022-06exploitbugzilla.mozilla.org/show_bug.cgi?id=1739957