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containedcritical

Malicious code in stillm4ddpocs-demo-widget (npm)

The npm package stillm4ddpocs-demo-widget version 999.9.9 was identified as malicious by the OpenSSF Package Analysis project. The package communicates with a domain associated with malicious activity.

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Disclosed
Last updated
Blast radius
Potentially all users who installed stillm4ddpocs-demo-widget version 999.9.9
Ecosystems
Attack vectors
Affected entities
  • stillm4ddpocs-demo-widget · 999.9.9

The OpenSSF Package Analysis project identified stillm4ddpocs-demo-widget version 999.9.9 on npm as containing malicious code. The package was flagged for communicating with a domain associated with malicious activity, indicating potential data exfiltration or command-and-control functionality.\n\nThe malicious package was discovered and reported through the OpenSSF's malicious-packages repository, which tracks confirmed malicious software in open-source ecosystems. The advisory was published on GitHub as GHSA-ghqx-mmmj-m486.\n\nUsers who installed this package version are at risk of compromise. The package should be removed from any systems where it was installed, and affected dependencies should be audited.

Indicators of compromise

Packages
  • stillm4ddpocs-demo-widget@999.9.9

Remediation

  • Remove stillm4ddpocs-demo-widget version 999.9.9 from all systems and projects
  • Audit all dependencies and transitive dependencies for the presence of this package
  • Review npm package.json and lock files for any references to stillm4ddpocs-demo-widget
  • Monitor systems that may have executed code from this package for signs of compromise
  • Update to a safe version if a legitimate replacement exists, or remove the dependency entirely

Sources

  1. GitHub Advisory GHSA-ghqx-mmmj-m486 · GitHub Advisory Database

Cite this entry

"Malicious code in stillm4ddpocs-demo-widget (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 22, 2026; last updated August 22, 2026. https://supplychainattack.org/incident/malicious-code-in-stillm4ddpocs-demo-widget-npm-8vl9mf

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