CVE-2020-7770 is a critical prototype pollution vulnerability affecting the json8 package prior to version 1.0.3. This flaw allows an attacker to inject arbitrary properties into an object's prototype, potentially leading to denial of service, remote code execution, or other impacts. With a CVSS score of 9.8 (CRITICAL), it can be exploited remotely with low attack complexity and no user interaction. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion, the high severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.3CPE matchmatch criteria | cpe:2.3:a:json8_project:json8:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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.