Controls whether third-party sub-content on a page is allowed to pop-up an HTTP Basic Auth dialog box.
Typically this is disabled as a phishing defense. If this policy is not set, this is disabled and third-party sub-content will not be allowed to pop up a HTTP Basic Auth dialog box.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Vivaldi |
| Value Name | AllowCrossOriginAuthPrompt |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |