CVE-2021-23955

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CVSS 3.1

6.1 medium

EPSS

<1%p49

Published

Feb 26, 2021 (Feb 26, 2021)

Modified

Jun 17, 2026

Description

The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.

Vendors: mozilla
Products: firefox
Weakness: CWE-1021
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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