Deserialization of Untrusted Data Vulnerability in HotLock by ThemeREX Group
CVE-2026-112851

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Hotlock
Vendor
CVE Published:
23 October 2026

What is CVE-2026-112851?

A deserialization of untrusted data vulnerability exists in the HotLock theme developed by ThemeREX Group. This issue allows for object injection, potentially enabling attackers to manipulate the application's behavior and access sensitive data. The vulnerability affects HotLock versions from n/a up to 1.3.9, posing a risk to users who have not updated their installations to secure versions.

Affected Version(s)

HotLock 0 <= 1.3.9

References

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