{"items":[{"id":"NVI-00011133","kind":"supply_chain_event","title":"Malicious code in css-env-function-shim (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-592h-fp69-gpjf"],"plain_summary":"GitHub lists this malware advisory for css-env-function-shim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-e6ac793defc6b5e462bd56f4bd926da4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-e6ac793defc6b5e462bd56f4bd926da4","url":"https://github.com/advisories/GHSA-592h-fp69-gpjf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-592h-fp69-gpjf","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:24.290Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e6ac793defc6b5e462bd56f4bd926da4"],"technology":"css-env-function-shim","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (03e6fced50259d6d3781ef3917caba965e4744420188c3e06919541b64e2e294)\nPackage self-describes as a CSS env() shim but ships thunderboltRegistry.js, which runs an IIFE at module load that base64-decodes the strings 'child_process' and 'execSync', dynamically requires child_process, and shells out whoami, uname, cat /etc/hosts, ifconfig/ip addr, id, and hostname. The collected output is POSTed to a hardcoded webhook.site URL (webhook.site/0492a36c-4d7b-408a-865c-226db25987ba) and beaconed to a subdomain of davdpb8lhot13kgmnhp0863x9g83mpswq.oast.live for DNS exfiltration. All sensitive identifiers (module name, method name, commands, destination host, UUID path, OAST subdomain) are stored as base64 blobs or String.fromCharCode arrays and reconstructed at runtime to defeat static inspection. index.js is a stub; the module factory is re-exported under nine Wix-internal registry key names (thunderboltRegistry, siteAssetsRegistry, editorRegistry, corvidRegistry, and similar), and the shipped registry-manifest.min.json aliases numerous Wix thunderbolt *Registry.js URLs on parastorage.com to this package's thunderboltRegistry.js — a dependency-confusion lure targetin","public_affected_ranges":["= 1.0.0"]}],"null_published_at":"2026-10-31T23:18:22.433Z","source_updated_at":"2026-10-05T00:30:41.000Z","source_disclosed_at":"2026-10-05T00:30:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T23:13:24.290Z"}],"next_cursor":null,"snapshot_revision":"42594"}