{"cve":"CVE-2018-6806","nvd":{"published":"2018-02-07T05:29:00.370","modified":"2026-06-17T02:02:18.493","status":"Modified","description":"Marked 2 through 2.5.11 allows remote attackers to read arbitrary files via a crafted HTML document that triggers a redirect to an x-marked://preview?text= URL. The value of the text parameter can include arbitrary JavaScript code, e.g., making XMLHttpRequest calls.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-200"],"references":["http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerability","http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdf","http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerability","http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdf"],"products":["marked_2_project:marked_2"],"source":"nvd","synced_at":"2026-10-19T20:48:34.567387330+00:00"},"epss":{"cve":"CVE-2018-6806","score":0.01198,"percentile":0.68132,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}