{"schema":"threatline.record/2","record":{"id":"CVE-2026-87939","aliases":[],"summary":"Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137","details":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2.","categories":["Applications & CMS"],"product":"Feed Block","vendor":"Drupal","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-87939","source_modified_at":"2026-10-22T17:27:21.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Feed Block","vendor":"Drupal","versions":[{"lessThan":"2.0.2","status":"affected","version":"0.0.0","versionType":"semver"},{"lessThan":"3.0.2","status":"affected","version":"3.0.0","versionType":"semver"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-87939","source_modified_at":"2026-10-22T17:27:21.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Feed Block","ecosystem":null},"version":"2.0.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-87939","source_modified_at":"2026-10-22T17:27:21.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Feed Block","ecosystem":null},"version":"3.0.2","basis":"first unaffected version stated in the CVE record"}],"cvss":4.2,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00156,"percentile":0.04349,"score_date":"2026-10-23"},"published_at":"2026-10-22T01:22:02.857Z","modified_at":"2026-10-22T17:27:21.567Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-87939","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T17:27:21.567Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-87939","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.drupal.org/sa-contrib-2026-137"}],"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":"2026-10-22T17:27:16.286769Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-22T17:27:21.567Z","content_hash":"1448b8ef855bfd2333c1c4ca7bb01d3b85a67519948f13ec41c63b486a911545"}}