PHP Object Injection Vulnerability in Nested Pages Plugin for WordPress
CVE-2026-100512

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Nested Pages
Vendor
CVE Published:
30 September 2026

What is CVE-2026-100512?

The Nested Pages plugin for WordPress is vulnerable to PHP Object Injection due to improper handling of user input. This vulnerability affects versions 3.3.2 and earlier, enabling attackers to inject malicious serialized objects. By exploiting this vulnerability, attackers can potentially manipulate the application's behavior, leading to unauthorized access or execution of arbitrary code, which poses serious security risks to WordPress sites using this plugin.

Affected Version(s)

Nested Pages <= 3.3.2

References

https://patchstack.com/database/wordpress/plugin/wp-neste...
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

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.