CVE-2022-42927

HIGH

Firefox < 106 and Firefox ESR < 102.4 - Same-Origin Policy Violation via performance.getEntries()

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.1
EPSS 0.0015
EPSS Percentile 35.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-346
Status published
Products (3)
mozilla/firefox < 106.0
mozilla/firefox_esr < 102.4
mozilla/thunderbird < 102.4
Published Dec 22, 2022
Tracked Since Feb 18, 2026