Vulnerability Database

313,664

Total vulnerabilities in the database

CVE-2023-23603

Regular expressions used to filter out forbidden properties and values from style directives in calls to console.log weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.

  • Published: Jun 2, 2023
  • Updated: Dec 19, 2025
  • CVE: CVE-2023-23603
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWEs:

Software From Fixed in
mozilla / firefox - 109.0
mozilla / firefox_esr - 102.7
mozilla / thunderbird - 102.7