CVE-2025-64206 CRITICAL

CVE-2025-64206: WordPress Jannah theme <= 7.6.0 - PHP Object Injection vulnerability

Vendor Tielabs
Product Jannah
Weakness CWE-502 · Unsafe deserialization
Published December 18, 2025
Last update April 28, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in TieLabs Jannah jannah allows Object Injection.This issue affects Jannah: from n/a through <= 7.6.0.

Explanation of Vulnerability in Simple Terms

02Summary

Jannah versions up to 7.6.0 contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the site without user interaction. The vulnerability stems from unsafe handling of serialized data, enabling remote code execution through network requests. All installations should update immediately.

What an attacker can do

03Attacker Capabilities

Run their own code on the site and take full control of it.

Potential impact on your site

04Site Impact

Complete site compromise, including data theft, malware injection, and loss of availability.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 18, 2025 CVE published
April 28, 2026 Record updated