Unauthenticated PHP Object Injection Vulnerability in Photolia Theme by WordPress
CVE-2026-78535

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Photolia
Vendor
CVE Published:
10 October 2026

What is CVE-2026-78535?

The Photolia theme for WordPress is susceptible to PHP Object Injection, allowing unauthenticated attackers to manipulate PHP objects. This vulnerability can potentially lead to remote code execution or data exposure, compromising the integrity and security of affected websites. Users are advised to upgrade to the latest version to safeguard their installations.

Affected Version(s)

Photolia <= 1.0.3

References

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

daroo | Patchstack Bug Bounty Program
.