{"items":[{"id":"NVI-00011064","kind":"supply_chain_event","title":"Malicious code in css-ayucyz-polyfill (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2wxc-f4mp-28fp"],"plain_summary":"GitHub lists this malware advisory for css-ayucyz-polyfill. 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-b1211604a203e37537af016c72c230f5"],"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-b1211604a203e37537af016c72c230f5","url":"https://github.com/advisories/GHSA-2wxc-f4mp-28fp","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2wxc-f4mp-28fp","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:05.881Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b1211604a203e37537af016c72c230f5"],"technology":"css-ayucyz-polyfill","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (d8c7540d3981f510255434529f76a2ed9a24b0783e7e8e3369b41f71b93ebd1a)\nOn require, thunderboltRegistry.js runs an IIFE that acquires child_process via multiple fallbacks and executes shell commands (id, whoami, uname -a, ifconfig/ip addr, cat /etc/hosts), then GETs the collected output along with the hostname, platform and Node version to the hardcoded plain-HTTP endpoint http://dxpoc.gt.tc/callback.php/bb8968d0f67000433bf7005dd5ad2d1f. One of the beacons is self-labeled beacon=rce-poc. The package presents itself as a CSS polyfill and exposes modules named thunderboltRegistry, siteAssetsRegistry, editorRegistry and corvidRegistry — internal Wix Thunderbolt names — behind a Proxy returning no-op functions, with registry-manifest.min.json pointing fake entries at a static.parastorage.com URL, so a consumer that resolves this package in place of the real Wix internals loads the exfiltration IIFE while the facade silently returns no-ops.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.0"]}],"null_published_at":"2026-10-31T23:18:22.428Z","source_updated_at":"2026-10-05T06:30:40.000Z","source_disclosed_at":"2026-10-05T06:30:29.000Z","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":"2026-10-31T23:13:05.881Z"}],"next_cursor":null,"snapshot_revision":"42594"}