What’s Vulnerable › Vulnerabilities

CVE-2019-5864

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-25 · updated 2026-06-17
• Weakness: CWE-20

Description

Insufficient data validation in CORS in Google Chrome prior to 76.0.3809.87 allowed an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension.

Affected products

• Google Chrome: before 76.0.3809.87 — fixed in 76.0.3809.87

How to fix

Upgrade to a fixed version: Google Chrome 76.0.3809.87. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2019/07/stable-channel-update-for-desktop_30.html
• https://crbug.com/936900
• https://chromereleases.googleblog.com/2019/07/stable-channel-update-for-desktop_30.html
• https://crbug.com/936900

Get alerted when CVE-2019-5864 or the next vulnerability affects your stack