Unauthenticated PHP Object Injection in Elementra Theme by Patchstack
CVE-2026-39529

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Elementra
Vendor
CVE Published:
16 June 2026

What is CVE-2026-39529?

A vulnerability in the Elementra Theme for WordPress allows for unauthenticated PHP Object Injection, which can potentially lead to remote code execution. This issue affects versions of the theme up to 1.0.9, enabling attackers to exploit the flaw and manipulate the application’s behavior, jeopardizing security and user data. To mitigate this risk, users are advised to update to the latest version of the Elementra Theme.

Affected Version(s)

Elementra <= 1.0.9

References

https://patchstack.com/database/wordpress/theme/elementra...
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

Bonds | Patchstack Bug Bounty Program
.