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If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Base Score
6.1
| Base Score | 6.1 |
|---|---|
| Vector String | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Base Severity | Medium |
| Version | 3.1 |
| Attack Vector (AV) | NETWORK |
