Vulnerability in Mozilla Firefox

CVE-2024-1549

If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

EPSS: 0.005 (41.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-1549?
CVE-2024-1549 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.1/10. Published 2024-02-20.
How severe is CVE-2024-1549?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2024-1549 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.