Vulnerability in Mozilla Firefox

CVE-2016-9900

External resources that should be blocked when loaded by SVG images can bypass security restrictions through the use of "data:" URLs. This could allow for cross-domain data leakage. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.098 (95.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-9900: held from 0.098 to 0.098.

EPSS over last 30 days · oldest: 0.098 · newest: 0.098 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-9900?
CVE-2016-9900 is a high-severity vulnerability in Mozilla Firefox, classified under CWE-254. CVSS score: 7.5/10. Published 2018-06-11.
How severe is CVE-2016-9900?
High severity. CVSS v3 base score is 7.5 out of 10.