AUGUST 4, 2026
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Case File

CVE-2021-38508

MEDIUM · CVSS 4.3 EPSS 1.53%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-08 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It affects Firefox.

CVE
CVE-2021-38508
Severity
MEDIUM
CVSS
4.3
EPSS
1.53%
Firefox

Original NVD Description

By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Related CVEs

Other vulnerabilities affecting the same vendor(s)