VDB
GCVE-110-OSM-2026-5720
GCVE-110-OSM-2026-5720
Advisory PublishedCVSS 5.4/10
Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, network activity, install-time execution.
Entrypoint: postinstall.js (install-hook: node postinstall.js)
Exfil: https://statics.win2day.at (custom-c2, recovery: plaintext in postinstall.js)
Payload: postinstall.js
Key findings:
- OAST/Interactsh Exfiltration in postinstall.js: "oastify.com"
- Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js""
- Brand New Package
IOCs:
- urls: https://statics.win2day.at
- domains: statics.win2day.at
- payloadFileHash: 4d84f2e09d17eb306c121e5ba7de7813b853258610328a263ae5873c3ea8da96
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
5.4/10
Medium · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | @w2d/web-components | all (affected) | — |
Aliases
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