Unauthenticated PHP Object Injection in Santé Theme by Patchstack
CVE-2026-39567

8.1HIGH

Key Information:

Vendor

WordPress
Status
Santé
Vendor
CVE Published:
16 June 2026

What is CVE-2026-39567?

An unauthenticated PHP Object Injection vulnerability exists in versions of the Santé Theme prior to 1.5.1, allowing attackers to exploit the application without authentication. This flaw can lead to potential remote code execution or manipulation of application behavior, thereby posing a significant security risk for WordPress installations using affected versions. It is essential for users to update to the patched version to safeguard against unauthorized access and potential exploitation.

Affected Version(s)

Santé <= 1.5.1

References

https://patchstack.com/database/wordpress/theme/sante/vul...
vdb-entry

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Denver Jackson | Patchstack Bug Bounty Program
.