CVE-2021-4451 describes an Authenticated PHAR Deserialization vulnerability in the NinjaFirewall plugin for WordPress, affecting versions up to and including 4.3.3. This flaw allows authenticated attackers to perform PHAR deserialization, potentially leading to further exploitation if other vulnerable plugins or themes are present. With a CVSS score of 7.2 (HIGH), the vulnerability has a network attack vector, low complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.3.3CPE matchmatch criteria | cpe:2.3:a:nintechnet:ninjafirewall:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.