8.8
High
CVE-2022-29909 Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level…
Description
Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 91.9 | earliest → < 91.9 | 91.9 |
| Firefox ESR 91.9 | earliest → < 91.9 | 91.9 |
| Firefox 100 | earliest → < 100 | 100 |
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