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Until explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not visible to code such as Object.getOwnPropertyNames(window). Sites that deploy a sandboxing that depends on enumerating and freezing access to the window object may miss this, allowing their sandboxes to be bypassed. This vulnerability affects Firefox < 68.
Base Score
8.3
| Base Score | 8.3 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
| Base Severity | High |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |
