CVE-2019-5864 describes an insufficient data validation vulnerability in Google Chrome prior to version 76.0.3809.87, specifically impacting its Cross-Origin Resource Sharing (CORS) implementation. An attacker could exploit this by convincing a user to install a malicious extension, thereby bypassing Content Security Policy (CSP) via a crafted Chrome Extension. Rated 4.3 MEDIUM on CVSS, this vulnerability requires user interaction (UI:R) and has a low impact on integrity (I:L), with no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, though it received limited media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 76.0.3809.87CPE matchmatch criteria | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.