PHP Object Injection Vulnerability in Schema & Structured Data Plugin by WordPress
CVE-2026-97291

8.8HIGH

Key Information:

Vendor

WordPress
Status
Schema & Structured Data For WP & Amp
Vendor
CVE Published:
30 September 2026

What is CVE-2026-97291?

This vulnerability allows attackers to exploit PHP Object Injection within the Schema & Structured Data for WP & AMP plugin, specifically in versions up to 1.66. By sending crafted requests, unauthorized users could manipulate the serialized data, potentially leading to remote code execution or unauthorized access to sensitive information.

Affected Version(s)

Schema & Structured Data for WP & AMP <= 1.66

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.