PT-2026-33941
CVE-2026-6755
·
Published
2026-04-21
·
Updated
2026-08-20
Description by
CVSS 2.0
6.8
MediumMetricsAV:N/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 150
Thunderbird versions prior to 150
Description
A mitigation bypass exists in the DOM postMessage component.
Recommendations
Update to version 150 or later.
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