AUGUST 4, 2026
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Case File

CVE-2021-23959

MEDIUM · CVSS 6.1 EPSS 0.57%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-26 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It affects Android, Firefox.

CVE
CVE-2021-23959
Severity
MEDIUM
CVSS
6.1
EPSS
0.57%
Android Firefox

Original NVD Description

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85.

Related CVEs

Other vulnerabilities affecting the same vendor(s)