medium4.3
CVE-2020-15665
Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page.
Impact
Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors. This vulnerability affects Firefox < 80.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 80.0 |