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Appaloosa Scout

Vulnerability · NVD

CVE-2025-0237

MEDIUM 5.4

The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

Attack vector : Network No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS 0.62% exploit very unlikely percentile 46.3%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Vulnerable CPE configurations (2)
Vendor Product Versions
mozilla thunderbird
All platforms (wildcard)
<128.6.0
mozilla thunderbird
All platforms (wildcard)
≥129.0 <134.0
View on NVD ↗ Advisory · www.mozilla.org