CVE-2025-26763CWE-502

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

Critical · published February 22, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
50.7
In the wild
Unconfirmed
What it is

🔥 A deadly deserialization issue lurks in MetaSlider Responsive Slider versions up to 3.94.0, allowing attackers to unleash object injection with a flick of their wrist! Think of it like letting a delivery driver drop off an unknown package without checking its contents — you never know if it’s filled with goodies or something that’ll blow up in your face! With this vulnerability, an attacker could inject their own malicious objects and gain control over the application. This could lead to unauthorized access to sensitive data, altering site content, or even a complete system takeover — talk about a nightmare scenario!

Put simply

Think of it like letting a delivery driver drop off an unknown package without checking its contents — you never know if it’s filled with goodies or something that’ll blow up in your face! This vulnerability allows untrusted data to be deserialized, leading to potential object injections that can manipulate application behavior unexpectedly. It's a serious flaw because it bypasses the usual safety checks that would prevent unauthorized operations.

What to do

With this vulnerability, an attacker could inject their own malicious objects and gain control over the application. This could lead to unauthorized access to sensitive data, altering site content, or even a complete system takeover — talk about a nightmare scenario! To secure your setup, upgrade to a patched version of MetaSlider Responsive Slider immediately, preferably above 3.94.0. Review your deserialization processes and implement strict data validation to prevent similar issues in the future. Don't wait — your site’s safety depends on it! You've got this! Fixing this vulnerability will put you in the security hero hall of fame! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00654 · 50.7th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-02-22T15:52Z
EPSS history
Timeline
  • 22 FEB 15:52Z
    WordPress Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider Plugin <= 3.94.0 - PHP Object Injection vulnerability
    cvelistv5