{"schema":"threatline.record/2","record":{"id":"CVE-2026-87760","aliases":[],"summary":"Web Vitals Tracking <= 5.4.2 - Unauthenticated Stored XSS via Tracking Beacon Metric Name","details":"The Web Vitals Tracking WordPress plugin through 5.4.2 does not validate or escape performance measurements submitted by unauthenticated visitors before storing them and outputting them in a script context on an administrative page, allowing unauthenticated attackers to perform Stored Cross-Site Scripting attacks against administrators.","categories":["Unclassified"],"product":"Web Vitals Tracking","vendor":"Unknown","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-87760","source_modified_at":"2026-10-11T11:32:43.617Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Web Vitals Tracking","vendor":"Unknown","versions":[{"status":"affected","versionType":"semver","version":"0","lessThanOrEqual":"5.4.2"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0034,"percentile":0.26256,"score_date":"2026-10-23"},"published_at":"2026-10-11T06:00:15.037Z","modified_at":"2026-10-11T11:32:43.617Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-87760","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-11T11:32:43.617Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-87760","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://wpscan.com/vulnerability/c6250c43-42c5-4c76-9eb9-2b35ba461e8c/","tags":["exploit","vdb-entry","technical-description"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-11T11:22:54.651605Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-11T11:32:43.617Z","content_hash":"5b3ae037e66e75fb9a5d0c862f49d0416627ed30c6d76f665484b3cfd632df68"}}