Astra Linux – Vulnerability in Firefox and Thunderbird

Documents in deeply-nested cross-origin browsing contexts may have obtained permissions granted to the top-level origin, bypassing the existing prompts and wrongly inheriting the top-level permissions. This vulnerability affects Thunderbird 91.9, Firefox ESR 91.9, and Firefox 100...

Mozilla: Bypassing permission prompt in nested browsing contexts

The Mozilla Foundation Security Advisory describes this flaw as: 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...

Mozilla: Bypassing permission prompt in nested browsing contexts

The Mozilla Foundation Security Advisory describes this flaw as: 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...

Mozilla: Bypassing permission prompt in nested browsing contexts

The Mozilla Foundation Security Advisory describes this flaw as: 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...

Mozilla: Bypassing permission prompt in nested browsing contexts

The Mozilla Foundation Security Advisory describes this flaw as: 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...