Moole Vulnerability Database

Find real vulnerabilities before they ship

Medium

CVE-2026-6755

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

VectorNETWORK

PublishedApr 21, 2026, 13:16

Published Bysecurity@mozilla.org

Base Score

Score6.5

No affected versions found.

CWE-352

Base Score

6.5

Vector String

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

Base SeverityMedium

Version

3.1

Attack Vector (AV)

NETWORK