CVE-2018-16489 is a critical prototype pollution vulnerability affecting just-extend versions prior to 4.0.0, allowing attackers to inject properties onto Object.prototype. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low complexity, and high potential for confidentiality, integrity, and availability impacts. Despite its critical severity, there is no evidence of active exploitation, publicly available exploit code in common frameworks like Metasploit or ExploitDB, nor significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.0CPE matchmatch criteria | cpe:2.3:a:just-extend_project:just-extend:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.