CVE-2026-39465 CRITICAL

CVE-2026-39465: WordPress Responsive Slider by MetaSlider plugin <= 3.106.0 - Remote Code Execution (RCE) vulnerability

Vendor Metaslider
Product Responsive Slider by MetaSlider
Weakness CWE-94 · Code injection
Published June 15, 2026
Last update June 16, 2026

CVSS base score

9.1/10
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:C/C:H/I:H/A:H

What the vulnerability does

01Description

Editor Remote Code Execution (RCE) in Responsive Slider by MetaSlider <= 3.106.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Responsive Slider by MetaSlider versions up to 3.106.0 contain a code injection vulnerability that allows high-privileged users to execute arbitrary PHP code on the site. An attacker with admin or equivalent access can inject malicious code through the plugin's input handling, affecting confidentiality, integrity, and availability of the entire WordPress installation.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full system access.

Potential impact on your site

04Site Impact

A compromised admin account can take full control of your site, steal data, modify content, or install malware.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges (e.g., administrator role) on the WordPress site.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated

Related vulnerabilities

08Related CVE