Unauthenticated PHP Object Injection in Valeska Theme by WordPress
CVE-2026-40761

8.1HIGH

Key Information:

Vendor

WordPress
Status
Valeska
Vendor
CVE Published:
16 June 2026

What is CVE-2026-40761?

The Valeska theme for WordPress versions up to 1.2.2 is exposed to an unauthenticated PHP Object Injection vulnerability. This flaw allows attackers to exploit the theme's functionality, potentially leading to unauthorized access or manipulation of the system. It's crucial for users of this theme to apply patches and updates promptly to mitigate the risks associated with this vulnerability.

Affected Version(s)

Valeska <= 1.2.2

References

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