{"schema":"threatline.record/2","record":{"id":"CVE-2026-18311","aliases":[],"summary":"CVE-2026-18311","details":"Readwise Reader for Android contains a cross-site scripting vulnerability due to missing HTML sanitization in its processing of imported document metadata. Attacker-controlled fields such as the author meta tag are inserted into a WebView via innerHTML, enabling stored XSS that executes on synced devices when the malicious document is opened.","categories":["Unclassified"],"product":"Reader","vendor":"Readwise","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-18311","source_modified_at":"2026-09-25T16:58:34.254Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Reader","vendor":"Readwise","versions":[{"status":"affected","version":"8.7.2","lessThanOrEqual":"8.10.1","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[],"cvss":6.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00157,"percentile":0.04513,"score_date":"2026-10-23"},"published_at":"2026-09-25T16:27:54.187Z","modified_at":"2026-09-25T16:58:34.254Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-18311","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-25T16:58:34.254Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-18311","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://kb.cert.org/vuls/id/699627"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-25T16:58:10.634438Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-25T16:58:34.254Z","content_hash":"8c3187263f90818c99e91e2200ea452b1d57f88fdaef46434806d2636c843e85"}}