Vulnerability in Mozilla Firefox

CVE-2019-11717

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Fi…

EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-11717?
CVE-2019-11717 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2019-07-23.
How severe is CVE-2019-11717?
Medium severity. CVSS v3 base score is 5.3 out of 10.