What is the CVSS score of CVE-2025-63916?

CVE-2025-63916 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.4%.

Which versions of Myscreentools are affected by CVE-2025-63916?

Organizations using MyScreenTools v2.2.1.0 face notable risk from CVE-2025-63916, a OS command injection vulnerability rated CVSS 8.1.

Is there a public PoC exploit available for CVE-2025-63916?

Yes, a public proof-of-concept exploit is available for CVE-2025-63916. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2025-63916?

Within 7 days: Identify all affected systems running the GIF compression tool. The application fails to properly and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.

Myscreentools CVE-2025-63916

HIGH

OS Command Injection (CWE-78)

2025-11-17 cve@mitre.org

Command Injection Myscreentools

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

PoC Detected

Jan 16, 2026 - 21:23 vuln.today

Public exploit code

CVE Published

Nov 17, 2025 - 16:15 nvd

HIGH 8.1

DescriptionCVE.org

MyScreenTools v2.2.1.0 contains a critical OS command injection vulnerability in the GIF compression tool. The application fails to properly sanitize user-supplied file paths before passing them to cmd.exe, allowing attackers to execute arbitrary system commands with the privileges of the user running the application. The vulnerability exists in the CMD() function within GIFSicleTool\Form_gif_sicle_tool.cs, which constructs shell commands by concatenating unsanitized user input (file paths) and executes them via cmd.exe.

AnalysisAI

MyScreenTools v2.2.1.0 contains a critical OS command injection vulnerability in the GIF compression tool. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. MyScreenTools v2.2.1.0 contains a critical OS command injection vulnerability in the GIF compression tool. The application fails to properly sanitize user-supplied file paths before passing them to cmd.exe, allowing attackers to execute arbitrary system commands with the privileges of the user running the application. The vulnerability exists in the CMD() function within GIFSicleTool\Form_gif_sicle_tool.cs, which constructs shell commands by concatenating unsanitized user input (file paths) and executes them via cmd.exe. Affected products include: Luotengyuan Myscreentools.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

CVE-2025-63916 vulnerability details – vuln.today

Back