VYPR
Unrated severityNVD Advisory· Published Mar 31, 2021· Updated Aug 3, 2024

CVE-2021-23984

CVE-2021-23984

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.

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Affected products

72

Patches

Vulnerability mechanics

References

4

News mentions

0

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