Unauthenticated PHP Object Injection in AI ANN Theme by Patchstack
CVE-2026-65581

9.8CRITICAL

Key Information:

Vendor

WordPress

Status
Vendor
CVE Published:
6 August 2026

What is CVE-2026-65581?

The AI ANN theme for WordPress versions up to 1.29.0 contains a vulnerability that allows unauthenticated PHP object injection. This security flaw can be exploited by attackers to manipulate object instantiation and carry out unauthorized actions within the affected themes, potentially leading to data breaches or further system compromise. Users are encouraged to review their installations and apply necessary updates to mitigate risks associated with this vulnerability.

Affected Version(s)

AI ANN <= 1.29.0

References

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

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program
.