Vulnerability Database

313,552

Total vulnerabilities in the database

CVE-2023-6871

Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

  • Published: Dec 19, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-6871
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

No CWE or OWASP classifications available.

Software From Fixed in
mozilla / firefox - 121.0