Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensions being able to open them without user interaction via <code>ExpandedPrincipals</code>. This could lead to further malicious actions such as downloading files or interacting with software already installed on the system. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
Published 2023-06-02 17:15:11
Updated 2023-06-08 14:03:15
View at NVD,

Exploit prediction scoring system (EPSS) score for CVE-2023-25729

Probability of exploitation activity in the next 30 days EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-25729

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

References for CVE-2023-25729

Products affected by CVE-2023-25729

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