{"id":"CVE-2018-6806","aliases":["EUVD-2018-18553","GHSA-f8gc-r5jf-vqfm"],"status":"published","title":"Marked 2 through 2.5.11 allows remote attackers to read arbitrary files via a crafted HTML...","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01198,"percentile":0.68342,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2018-02-07T05:00:00Z","modified":"2026-06-17T02:02:18Z","products":[{"vendor":"marked_2_project","product":"marked_2"}],"references":[{"url":"http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerability","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6806"},{"url":"https://github.com/advisories/GHSA-f8gc-r5jf-vqfm"}],"sources":{"cve":[{"id":"CVE-2018-6806","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.","status":"published","published":"2018-02-07T05:00:00Z","modified":"2024-09-16T20:13:16.223Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2018-18553","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.","status":"published","published":"2018-02-07T05:00:00Z","modified":"2024-09-16T20:13:16Z","updated_at":"2026-11-03T00:55:15.889317Z"}],"ghsa":[{"id":"GHSA-f8gc-r5jf-vqfm","title":"Marked 2 through 2.5.11 allows remote attackers to read arbitrary files via a crafted HTML...","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.","status":"published","published":"2022-05-13T01:54:14Z","modified":"2023-02-02T05:02:23Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:51:26.066709Z"}],"nvd":[{"id":"CVE-2018-6806","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.","status":"published","published":"2018-02-07T05:29:00.37Z","modified":"2026-06-17T02:02:18.493Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:22.897995Z"}]}}
