Vulnerability Database

316,080

Total vulnerabilities in the database

CVE-2021-21207

Use after free in IndexedDB in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

  • Published: Apr 26, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-21207
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.6
  • AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs: