Improper Input Validation in ProfilePress Plugin from WordPress
CVE-2026-123657

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
11 November 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-123657?

The ProfilePress WordPress plugin prior to version 4.17.6 is susceptible to an improper input validation issue. This flaw allows attackers to manipulate membership plan identifiers, enabling unauthenticated users to register for deactivated membership plans. By exploiting this vulnerability, they can gain the associated roles, effectively compromising the intended access control mechanism of the application.

Affected Version(s)

ProfilePress 0 < 4.17.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Charles Vosburgh
WPScan
.