CVE-2025-31927 CRITICAL

CVE-2025-31927: WordPress Acerola <= 1.6.5 - PHP Object Injection Vulnerability

Vendor Themeton
Product Acerola
Weakness CWE-502 · Unsafe deserialization
Published May 23, 2025
Last update April 28, 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

Deserialization of Untrusted Data vulnerability in themeton Acerola allows Object Injection. This issue affects Acerola: from n/a through 1.6.5.

Explanation of Vulnerability in Simple Terms

02Summary

Acerola versions up to 1.6.5 contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site without user interaction. The vulnerability exists in how the product processes untrusted serialized data. An attacker can exploit this remotely over the network to gain full control of the affected system.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Complete compromise of the site, including data theft, malware injection, and service disruption.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 23, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE