Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-0237

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 affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.3%
CVSS Severity
CVSS v3 Score 5.4
Products affected by CVE-2025-0237


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