CVE-2025-68903 HIGH

CVE-2025-68903: WordPress Anona theme <= 8.0 - PHP Object Injection vulnerability

Vendor Aivahthemes

Product Anona

Weakness CWE-502 · Unsafe deserialization

Published January 22, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

8.8/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in AivahThemes Anona anona allows Object Injection.This issue affects Anona: from n/a through <= 8.0.

Explanation of Vulnerability in Simple Terms

02Summary

Anona versions 8.0 and earlier contain a deserialization vulnerability that allows authenticated users to execute arbitrary code on the server. An attacker with low-level access can craft malicious serialized data that, when processed by the application, runs their own code with full site privileges. This affects confidentiality, integrity, and availability of the entire installation.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the server with full site privileges.

Potential impact on your site

04Site Impact

Complete compromise of the site: data theft, malware injection, site defacement, or total takeover.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account or authenticated access to the application.

Key dates

06Disclosure timeline

January 22, 2026 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-68903 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html

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