---
id: CVE-2026-112851
title: WordPress HotLock theme <= 1.3.9 - PHP Object Injection vulnerability
summary: >-
  Deserialization of Untrusted Data vulnerability in ThemeREX Group HotLock
  hotlock allows Object Injection.This issue affects HotLock: from n/a through
  1.3.9.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: ThemeREX Group
product: hotlock
affected:
  - hotlock <= 1.3.9
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-24T14:42:35.312048Z'
published: '2026-10-23'
updated: '2026-10-24'
sourceUpdated: '2026-10-24T14:47:00.303Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112851'
references:
  - url: >-
      https://patchstack.com/database/wordpress/theme/hotlock/vulnerability/wordpress-hotlock-theme-1-3-9-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00564
epssPercentile: 0.4617
ingestedAt: '2026-10-23T13:24:55.502Z'
---

## Overview

Deserialization of Untrusted Data vulnerability in ThemeREX Group HotLock hotlock allows Object Injection.This issue affects HotLock: from n/a through 1.3.9.

## Affected

- `hotlock <= 1.3.9`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.