AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2017-5386

HIGH · CVSS 7.3 EPSS 2.27%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-06-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.3. It affects Firefox.

CVE
CVE-2017-5386
Severity
HIGH
CVSS
7.3
EPSS
2.27%
Firefox

Original NVD Description

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

Related CVEs

Other vulnerabilities affecting the same vendor(s)