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Case File

CVE-2021-38497

MEDIUM · CVSS 6.5 EPSS 0.53%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-03 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2021-38497
Severity
MEDIUM
CVSS
6.5
EPSS
0.53%
Firefox

Original NVD Description

Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

Related CVEs

Other vulnerabilities affecting the same vendor(s)