VDB
GCVE-110-OSM-2026-13319
GCVE-110-OSM-2026-13319
Advisory PublishedCVSS 8.8/10
On module load, thunderboltRegistry.js executes an IIFE that runs id, whoami, uname, ifconfig/ip addr via child_process.execSync and reads /etc/hosts, then sends each result together with hostname, node version, platform and pid to the hardcoded endpoint http://dxpoc.gt.tc/callback.php/[token] via fetch over plain HTTP. The package presents itself as a stub exporting proxies for Wix thunderbolt internal registry names (thunderboltRegistry, siteAssetsRegistry, editorRegistry, corvidRegistry, etc.), consistent with dependency-confusion targeting of those internal module names while the load-time code performs the host reconnaissance and exfiltration.
ENTRY
index.js (main: index.js)
DESTINATION
- 2 exfil (custom-c2)
(values recorded in verified_iocs)
EXFIL
- Data Encoding for Exfiltration in thunderboltRegistry.js: "encodeURIComponent(site)).catch(function(){}); } catch(e"
- System Information Collection in thunderboltRegistry.js: "process.platform"
ADDITIONAL FINDINGS
- Shell Command Execution in thunderboltRegistry.js: "require("child_process")"
- Very New NPM Publisher Account
- Publisher Has Other Malicious Packages
PAYLOAD FILES
thunderboltRegistry.js
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
8.8/10
High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | css-interop-observer-polyfill | all (affected) | — |
Aliases
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