Detections
Analytics
CVE-2026-22035
high
Description
Greenshot is an open source Windows screenshot utility. Versions 1.3.310 and below arvulnerable to OS Command Injection through unsanitized filename processing. The FormatArguments method in ExternalCommandDestination.cs:269 uses string.Format() to insert user-controlled filenames directly into shell commands without sanitization, allowing attackers to execute arbitrary commands by crafting malicious filenames containing shell metacharacters. This issue is fixed in version 1.3.311.
References
https://github.com/greenshot/greenshot/security/advisories/GHSA-7hvw-q8q5-gpmj
https://github.com/greenshot/greenshot/releases/tag/v1.3.311
https://github.com/greenshot/greenshot/commit/5dedd5c9f0a9896fa0af1d4980d875a48bf432cb