CVE-2017-16562 is a critical authentication bypass vulnerability affecting the UserPro plugin for WordPress, specifically versions prior to 4.9.17.1. This flaw allows unauthenticated remote attackers to gain administrative access by manipulating a URL parameter if the default "admin" username is present. With a CVSS score of 9.8 (CRITICAL) and an EPSS score indicating high exploitability, the vulnerability poses a significant risk due to its low attack complexity and complete compromise potential (Confidentiality, Integrity, Availability). While not on the KEV catalog, public exploit code is available on ExploitDB, and the vulnerability has garnered substantial community discussion, suggesting a strong potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.9.17.1CPE matchmatch criteria | cpe:2.3:a:userproplugin:userpro:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.