CVE-2021-23984

EPSS 1.1%

Vexday Risk Score

3Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

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

Ciclo de vida

31 mar 2021Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

Productos afectados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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Referencias

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/