CVE-2025-26763 CRITICAL

CVE-2025-26763: WordPress Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider Plugin <= 3.94.0 - PHP Object Injection vulnerability

Vendor Metaslider
Product Responsive Slider by MetaSlider
Weakness CWE-502 · Unsafe deserialization
Published February 22, 2025
Last update April 28, 2026
View on NVD All CVEs

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 MetaSlider Responsive Slider by MetaSlider ml-slider allows Object Injection.This issue affects Responsive Slider by MetaSlider: from n/a through <= 3.94.0.

Key dates

02Disclosure timeline

February 22, 2025 CVE published
April 28, 2026 Record updated