CVE-2020-36155 is a critical unauthenticated privilege escalation vulnerability affecting the Ultimate Member plugin for WordPress, versions prior to 2.1.12. Attackers can exploit this flaw during user registration by supplying an array parameter for sensitive user metadata, specifically wp_capabilities, to gain administrative access. With a CVSS score of 9.8, this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist, and the vulnerability has a high EPSS score, indicating a significant likelihood of future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.1.12CPE matchmatch criteria | cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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.