Vulnerability in Google Chrome

CVE-2021-21209

Inappropriate implementation in storage in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21209?
CVE-2021-21209 is a medium-severity vulnerability in Google Chrome, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2021-04-26.
How severe is CVE-2021-21209?
Medium severity. CVSS v3 base score is 6.5 out of 10.