CVE-2026-82226 CRITICAL

CVE-2026-82226: WordPress Tickera plugin <= 3.6.0.2 - PHP Object Injection vulnerability

Vendor Tickera
Product Tickera
Weakness CWE-502 · Unsafe deserialization
Published August 31, 2026
Last update September 1, 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

Unauthenticated PHP Object Injection in Tickera <= 3.6.0.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Tickera versions up to 3.6.0.2 contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the server. The vulnerability exists in how the application processes untrusted serialized data without proper validation. An attacker can exploit this remotely without authentication or user interaction to gain full control of the affected system.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the server and take complete control of the site.

Potential impact on your site

04Site Impact

Complete compromise of the server, including data theft, malware installation, and site defacement.

Conditions required to exploit

05Prerequisites

Network access to the Tickera application; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 31, 2026 CVE published
September 1, 2026 Record updated