CVE-2025-52827 HIGH

CVE-2025-52827: WordPress Nuss theme <= 1.3.3 - PHP Object Injection Vulnerability

Vendor Uxper
Product Nuss
Weakness CWE-502 · Unsafe deserialization
Published June 27, 2025
Last update May 12, 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 uxper Nuss nuss allows Object Injection.This issue affects Nuss: from n/a through <= 1.3.3.

Explanation of Vulnerability in Simple Terms

02Summary

Nuss versions 1.3.3 and earlier contain a deserialization vulnerability that allows authenticated attackers to execute arbitrary code on the server. The vulnerability exists because the application deserializes untrusted data without proper validation. An attacker with low-level access can craft malicious serialized objects to achieve remote code execution with full system privileges.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the server with full system access (read, modify, delete files and data).

Potential impact on your site

04Site Impact

Complete compromise of the Nuss installation and underlying server; attacker can steal data, modify content, or use the server for further attacks.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level privileges; no user interaction required.

Key dates

06Disclosure timeline

June 27, 2025 CVE published
May 12, 2026 Record updated