CVE-2021-23984

EPSS 1.1%

Vexday Risk Score

3Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS —EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

31 mar 2021Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

Produtos afetados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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Referências

https://bugzilla.mozilla.org/show_bug.cgi?id=1693664 https://www.mozilla.org/security/advisories/mfsa2021-10/https://www.mozilla.org/security/advisories/mfsa2021-11/https://www.mozilla.org/security/advisories/mfsa2021-12/