CVE-2021-4343 is a critical unauthenticated account creation vulnerability affecting the Unauthenticated Account Creation plugin for WordPress, specifically versions up to and including 1.6.6. This flaw allows unauthenticated attackers to create new user accounts, including those with administrator privileges, due to an unprotected AJAX action. The vulnerability carries a CVSS score of 9.8 (Critical), indicating a severe risk with a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Its EPSS score is low, suggesting a low probability of exploitation in the wild. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. The vulnerability has also received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.6.6CPE matchmatch criteria | cpe:2.3:a:stylemixthemes:ulisting:*:*:*:*:*:wordpress:*:* |
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.
Remediation records are not available for this CVE.