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Case File

CVE-2022-34477

HIGH · CVSS 7.5 EPSS 0.55%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-22 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Firefox.

CVE
CVE-2022-34477
Severity
HIGH
CVSS
7.5
EPSS
0.55%
Firefox

Original NVD Description

The MediaError message property should be consistent to avoid leaking information about cross-origin resources; however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 102.

Related CVEs

Other vulnerabilities affecting the same vendor(s)