Unauthenticated PHP Object Injection in Moderno Theme by Patchstack
CVE-2026-49108

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Moderno
Vendor
CVE Published:
17 June 2026

What is CVE-2026-49108?

The vulnerability allows unauthenticated users to exploit PHP Object Injection in versions of the Moderno theme prior to 1.43. This could enable attackers to manipulate the application’s behavior, leading to potential unauthorized access and data compromise. It is crucial for users of the Moderno theme to update to version 1.43 or later to mitigate any risks associated with this vulnerability.

Affected Version(s)

Moderno < 1.43

References

https://patchstack.com/database/wordpress/theme/moderno/v...
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

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