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A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Base Score
8.1
| Base Score | 8.1 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
| Base Severity | High |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |
