What is CVE-2023-4579?

CVE-2023-4579 is a low-severity vulnerability in Mozilla Firefox. CVSS score: 3.1/10. Published 2023-09-11.

How severe is CVE-2023-4579?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Mozilla Firefox

CVE-2023-4579

Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117.

EPSS: 0.004 (30.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Mozilla Firefox — versions unspecified

References

security@mozilla.org (Permissions Required, Issue Tracking)
security@mozilla.org
security@mozilla.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-4579?: CVE-2023-4579 is a low-severity vulnerability in Mozilla Firefox. CVSS score: 3.1/10. Published 2023-09-11.
How severe is CVE-2023-4579?: Low severity. CVSS v3 base score is 3.1 out of 10.