CVE-2021-37999

Public Exploit

Description

Insufficient data validation in New Tab Page in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to inject arbitrary scripts or HTML in a new browser tab via a crafted HTML page.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.54%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory googleblog.com Vendor Advisory crbug.com
Affected: Google Chrome
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-37999?
CVE-2021-37999 has been scored as a medium severity vulnerability.
How to fix CVE-2021-37999?
To fix CVE-2021-37999, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37999 being actively exploited in the wild?
It is possible that CVE-2021-37999 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-37999?
CVE-2021-37999 affects Google Chrome.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.