AUGUST 4, 2026
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Case File

CVE-2022-22759

CRITICAL · CVSS 9.6 EPSS 0.74%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-22 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2022-22759
Severity
CRITICAL
CVSS
9.6
EPSS
0.74%
Firefox Java

Original NVD Description

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.