Description
Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVSS 9.1EPSS 0.28300000000000003%Risk 0.93
View source- Published
- 2026-08-18 13:17:32
- Affected versions
- <154
- Type
- Web application
- Last modified
- 2026-08-19 01:00:02
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N