Vulnerability in Mozilla Firefox

CVE-2016-5266

Mozilla Firefox before 48.0 does not properly restrict drag-and-drop (aka dataTransfer) actions for file: URIs, which allows user-assisted remote attackers to access local files via a crafted web site.

EPSS: 0.017 (74.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-5266?
CVE-2016-5266 is a high-severity vulnerability in Mozilla Firefox, classified under CWE-264. CVSS score: 8.1/10. Published 2016-08-05.
How severe is CVE-2016-5266?
High severity. CVSS v3 base score is 8.1 out of 10.