datAInsights CVE Current

CVE-2026-6755 — Mitigation bypass in the DOM: postMessage component

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Published: 2026-04-21 · CVSS: 6.5 · CVSS 3.1

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7