CVE-2018-12399
Medium
Description
When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about which domain is registering the new protocol. This may result in the user approving a protocol handler that they otherwise would not have. This vulnerability affects Firefox < 63.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mozilla Firefox
PublishedFeb 28, 2019
First seenFeb 28, 2019
How to fix
Update
- mozilla firefox63.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 63.0 | 63.0 |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 18.10 | — |
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