CVE-2025-63916

MyScreenTools v2.2.1.0 contains a critical OS command injection vulnerability in the GIF compression tool

High · published November 17, 2025

CVSS v3.1
8.1
EPSS
2%
Percentile
75.5
In the wild
Unconfirmed
What it is

⚡ An unfiltered file path is your gateway to chaos! The MyScreenTools v2.2.1.0 app has a critical OS command injection vulnerability, allowing attackers to run arbitrary commands through the GIF compression tool. 🔥 Think of it like a restaurant that takes orders without checking the menu — a customer can ask for anything, and the chef will blindly whip it up, no questions asked! This could lead to a complete system takeover by executing malicious commands with the same privileges as the user running the application. Imagine an unauthorized chef raiding your pantry and cooking up a storm that wreaks havoc on your kitchen — data could be stolen, altered, or deleted!

Put simply

Think of it like a restaurant that takes orders without checking the menu — a customer can ask for anything, and the chef will blindly whip it up, no questions asked! The vulnerability lies in the CMD() function within the GIFSicleTool, which concatenates user-supplied file paths into shell commands without proper sanitization, allowing attackers to exploit this oversight via cmd.exe.

What to do

This could lead to a complete system takeover by executing malicious commands with the same privileges as the user running the application. Imagine an unauthorized chef raiding your pantry and cooking up a storm that wreaks havoc on your kitchen — data could be stolen, altered, or deleted! To secure your system, patch MyScreenTools to the latest version immediately, ensuring any user input is properly validated and sanitized before execution. Additionally, consider implementing application-level security checks to further mitigate such risks. You've got this! Follow these steps, and you’ll be the hero that protects your system from potential chaos! 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01594 · 75.5th percentile
Published
2025-11-17T00:00Z
EPSS history
Timeline
  • 17 NOV 00:00Z
    MyScreenTools v2.2.1.0 contains a critical OS command injection vulnerability in the GIF compression tool
    cvelistv5