{"items":[{"id":"NVI-00009948","kind":"supply_chain_event","title":"Malicious code in css-reading-display-polyfill (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wjmq-phmj-8j2m"],"plain_summary":"GitHub lists this malware advisory for css-reading-display-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-a07890fd29146ff3d73afe7c4efd75aa"],"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-a07890fd29146ff3d73afe7c4efd75aa","url":"https://github.com/advisories/GHSA-wjmq-phmj-8j2m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wjmq-phmj-8j2m","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:22.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a07890fd29146ff3d73afe7c4efd75aa"],"technology":"css-reading-display-polyfill","known_exclusions":[],"conditions_summary":"css-reading-display-polyfill is described as a CSS polyfill but contains no polyfill code. When its thunderboltRegistry.js is loaded, it runs `id`, `whoami`, `uname -a`, `env`, `ifconfig` and `cat /etc/hosts` and sends the output with the hostname to a webhook.site collector. The file also exports stubs named after Wix Thunderbolt registry modules. The environment variables are sent as well, so tokens and API keys stored in them can be leaked.## Source: amazon-inspector (a06a8966ab81cea21f3e94074bcdb0d72ea55a96be2d03989e12aa2f4d86ad66)\nthunderboltRegistry.js runs an IIFE at module load that invokes child_process.execSync to collect host identity (id, whoami, uname), the first 2000 bytes of the environment (env | head -100), network interfaces (ifconfig), and /etc/hosts, then transmits the results together with the hostname and Node version to a hardcoded webhook.site URL (https://webhook.site/69bcd627-1871-4dda-b880-83b37ceac418) via https.get and fetch. The package exports proxies for internal Wix thunderbolt registry names (thunderboltRegistry, siteAssetsRegistry, documentManagementRegistry, editorRegistry, corvidRegistry, dataBindingRegistry, and others) with a manifest pointing","public_affected_ranges":["= 1.0.0"]}],"null_published_at":"2026-10-31T22:13:39.954Z","source_updated_at":"2026-10-08T06:31:25.000Z","source_disclosed_at":"2026-10-08T06:31:24.000Z","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":"2026-10-31T22:07:22.853Z"}],"next_cursor":null,"snapshot_revision":"42594"}