Improper input validation in Mozilla Firefox

CVE-2016-5251

Mozilla Firefox before 48.0 allows remote attackers to spoof the location bar via crafted characters in the media type of a data: URL.

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

EPSS: 0.015 (71.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-5251?
CVE-2016-5251 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2016-08-05.
How severe is CVE-2016-5251?
Medium severity. CVSS v3 base score is 4.3 out of 10.