VULNERABILITY INTELLIGENCE

CVE-2020-6809

CVSS score7.5 HIGH
EPSS probability1.48%
CISA KEVNot currently listed
Published2020-03-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references