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CVE-2021-23984 A malicious extension could have opened a popup window lacking an address bar

Description

A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Produits et versions touchés

Produit Versions touchées Corrigé en
Firefox ESR 78.9 premières → < 78.9 78.9
Firefox 87 premières → < 87 87
Thunderbird 78.9 premières → < 78.9 78.9
Les 833 CVE de Firefox ESR →
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