PHP Object Injection Vulnerability in Dynamic User Directory Plugin
CVE-2026-42719

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Dynamic User Directory
Vendor
CVE Published:
10 October 2026

What is CVE-2026-42719?

The Dynamic User Directory plugin for WordPress, up to version 2.4, contains a vulnerability that allows for PHP Object Injection. This security flaw can be exploited to manipulate user input, potentially leading to unauthorized access to sensitive user data and compromising the integrity of the application. Users are advised to update to the latest version to mitigate the risks associated with this vulnerability.

Affected Version(s)

Dynamic User Directory <= 2.4

References

https://patchstack.com/database/wordpress/plugin/dynamic-...
vdb-entry

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hiro (Code016Hiro) | Patchstack Bug Bounty Program
.