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Case File

CVE-2020-15654

MEDIUM · CVSS 6.5 EPSS 1.23%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-08-10 · 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-2020-15654
Severity
MEDIUM
CVSS
6.5
EPSS
1.23%
Firefox

Original NVD Description

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)