CVE-2025-68899 HIGH

CVE-2025-68899: WordPress Vivagh theme <= 2.4 - PHP Object Injection vulnerability

Vendor Designthemes

Product Vivagh

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 designthemes Vivagh vivagh allows Object Injection.This issue affects Vivagh: from n/a through <= 2.4.

Explanation of Vulnerability in Simple Terms

02Summary

Vivagh versions 2.4 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 to trigger code execution during object deserialization. This affects confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the server with the privileges of the web application.

Potential impact on your site

04Site Impact

A logged-in user can compromise the entire site, steal data, modify content, or take the site offline.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site; no user interaction required.

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-2025-68899 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html

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