Improper input validation in Mozilla Firefox

CVE-2016-5291

A same-origin policy bypass with local shortcut files to load arbitrary local content from disk. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (36.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-5291?
CVE-2016-5291 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-06-11.
How severe is CVE-2016-5291?
Medium severity. CVSS v3 base score is 5.5 out of 10.