Summary
Togoder Security scanned the npm package lit-element@4.2.1 on Oct 4, 2026. An AI review of 28 source files produced no findings. No malicious behavior, install-time payloads, credential theft or exfiltration were identified.
Findings
No findings. The reviewer saw nothing malicious or risky in this version.
Files reviewed
| File | Verdict | What the reviewer saw |
|---|---|---|
| decorators.js | safe | No malicious patterns detected |
| decorators/custom-element.js | safe | Cleared by Jev triage; no further analysis needed |
| decorators/event-options.js | safe | The file simply re-exports a Lit decorator module with no malicious patterns or dynamic behavior. |
| decorators/property.js | safe | Cleared by Jev triage; no further analysis needed |
| decorators/query-all.js | safe | This file is a simple re-export of a Lit decorator module with no malicious patterns or execution at import time. |
| decorators/query-assigned-elements.js | safe | Cleared by Jev triage; no further analysis needed |
| decorators/query-assigned-nodes.js | safe | Cleared by Jev triage; no further analysis needed |
| decorators/query-async.js | safe | Cleared by Jev triage; no further analysis needed |
| decorators/query.js | safe | This file is a simple re-export shim for Lit's reactive-element query decorator with no malicious patterns detected. |
| decorators/state.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/custom-element.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/event-options.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/property.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/query-all.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/query-assigned-elements.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/query-assigned-nodes.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/query-async.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/query.js | safe | Cleared by Jev triage; no further analysis needed |
| development/decorators/state.js | safe | Cleared by Jev triage; no further analysis needed |
| development/index.js | safe | Cleared by Jev triage; no further analysis needed |
| development/lit-element.js | safe | This is the legitimate development build of Google's LitElement library, containing only standard rendering logic, lifecycle callbacks, and no malicious patterns such as data exfiltration, credential harvesting, or dynamic code execution. |
| development/polyfill-support.js | safe | No malicious patterns detected; this is a legitimate LitElement polyfill patch for web components support with no data exfiltration, credential harvesting, or dynamic code execution. |
| development/private-ssr-support.js | safe | Cleared by Jev triage; no further analysis needed |
| index.js | safe | No malicious patterns detected; the file only re-exports modules from well-known Lit libraries. |
Show 3 more files
| File | Verdict | What the reviewer saw |
|---|---|---|
| lit-element.js | safe | This is the official LitElement library from Google's Lit project, containing only standard component rendering logic with no malicious patterns detected. |
| polyfill-support.js | safe | No malicious patterns detected; this is legitimate Google Lit/ShadyCSS polyfill support code. |
| private-ssr-support.js | safe | No malicious patterns detected |
Frequently asked questions
Is lit-element safe to use?
Our AI source review of lit-element@4.2.1 found no malicious code: no install-time payloads, credential theft, exfiltration, obfuscated loaders or backdoors.
Does lit-element contain malware?
No malware was identified in lit-element@4.2.1 when Togoder Security scanned it on Oct 4, 2026. A new version can still introduce malicious code, so scan the exact versions in your lockfile.
How was lit-element checked?
Togoder Security downloaded the published npm package and had an AI model read its 28 source files, looking for install scripts, credential access, network exfiltration, obfuscation, backdoors and crypto-wallet theft. The results are cached by file hash and shown here.
How do I scan lit-element together with the rest of my dependencies?
Upload your lockfile at https://security.togoder.click/scan or call the API documented at https://security.togoder.click/api-docs. Files that have already been scanned, like the ones in lit-element@4.2.1, cost nothing.