CVE-2025-26885 HIGH

CVE-2025-26885: WordPress Assistant Plugin <= 1.5.1 - PHP Object Injection vulnerability

Vendor Beaver Builder

Product WordPress Assistant

Weakness CWE-502 · Unsafe deserialization

Published March 3, 2025

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Beaver Builder WordPress Assistant assistant allows Object Injection.This issue affects WordPress Assistant: from n/a through <= 1.5.1.

Explanation of Vulnerability in Simple Terms

02Summary

The WordPress Assistant plugin for Beaver Builder contains a deserialization vulnerability in versions up to 1.5.1. An authenticated administrator can supply malicious serialized data that the plugin processes without validation, potentially leading to arbitrary code execution on the site. This requires administrator-level access to exploit.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with administrator privileges.

Potential impact on your site

04Site Impact

A compromised admin account can fully control your site, including installing malware or stealing data.

Conditions required to exploit

05Prerequisites

Attacker must have administrator access to the WordPress site.

Key dates

06Disclosure timeline

March 3, 2025 CVE published

April 29, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-26885 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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