CVE-2022-42927

—

CVSS 3.1

8.1 high

EPSS

<1%p35

Published

Dec 22, 2022 (Dec 22, 2022)

Modified

Jun 17, 2026

Description

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via `performance.getEntries()`. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

Vendors: mozilla
Products: firefox, firefox esr, thunderbird
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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