CVE-2023-25729
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability53. percentile0.7%
Product
Mozilla Firefox
PublishedJun 2, 2023
First seenJun 2, 2023
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- mozilla firefox110.0 or later
- mozilla firefox_esr102.8 or later
- mozilla thunderbird102.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 110.0 | 110.0 |
| mozilla firefox_esr | v < 102.8 | 102.8 |
| mozilla thunderbird | v < 102.8 | 102.8 |
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