CVE-2022-28366 is a denial-of-service vulnerability affecting certain Neko-related HTML parsers, including HtmlUnit-Neko (fixed in 2.27) and CyberNeko HTML (up to 1.9.22), which also impacts OWASP AntiSamy before 1.6.6. This vulnerability, with a CVSS score of 7.5 (High), allows an unauthenticated attacker to cause excessive heap memory consumption and a denial of service through crafted Processing Instruction (PI) input. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, despite some media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.9.22CPE matchmatch criteria | cpe:2.3:a:cyberneko_html_project:cyberneko_html:*:*:*:*:*:*:*:* | ||
< 2.27CPE matchmatch criteria | cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:* | ||
< 1.6.6CPE matchmatch criteria | cpe:2.3:a:antisamy_project:antisamy:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.