What is CVE-2020-15665?

CVE-2020-15665 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2020-10-01.

How severe is CVE-2020-15665?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2020-15665

Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors. This vulnerability affects Firefox < 80.

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Mozilla Firefox — versions unspecified

References

security@mozilla.org (x_refsource_MISC, Release Notes, Vendor Advisory)
security@mozilla.org (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-15665?: CVE-2020-15665 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2020-10-01.
How severe is CVE-2020-15665?: Medium severity. CVSS v3 base score is 4.3 out of 10.