{"id":"CVE-2018-8923","aliases":["EUVD-2018-20531","GHSA-gv6f-6f67-8vrw"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1...","description":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1.1.4-0122 allows remote authenticated users to inject arbitrary web script or HTML via malicious attachments.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00803,"percentile":0.56936,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2018-06-05T14:00:00Z","modified":"2026-06-17T02:05:39Z","products":[{"vendor":"synology","product":"file station"},{"vendor":"synology","product":"file_station"}],"references":[{"url":"https://www.synology.com/zh-tw/support/security/Synology_SA_18_09","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8923"},{"url":"https://github.com/advisories/GHSA-gv6f-6f67-8vrw"}],"sources":{"cve":[{"id":"CVE-2018-8923","description":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1.1.4-0122 allows remote authenticated users to inject arbitrary web script or HTML via malicious attachments.","status":"published","published":"2018-06-05T14:00:00Z","modified":"2024-09-16T22:03:41.521Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20531","description":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1.1.4-0122 allows remote authenticated users to inject arbitrary web script or HTML via malicious attachments.","status":"published","published":"2018-06-05T14:00:00Z","modified":"2024-09-16T22:03:41Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:05.688542Z"}],"ghsa":[{"id":"GHSA-gv6f-6f67-8vrw","title":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1...","description":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1.1.4-0122 allows remote authenticated users to inject arbitrary web script or HTML via malicious attachments.","status":"published","published":"2022-05-13T01:31:41Z","modified":"2023-02-01T05:08:07Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:41.147231Z"}],"nvd":[{"id":"CVE-2018-8923","description":"Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology File Station before 1.1.4-0122 allows remote authenticated users to inject arbitrary web script or HTML via malicious attachments.","status":"published","published":"2018-06-05T14:29:00.363Z","modified":"2026-06-17T02:05:39.59Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:04:28.483469Z"}]}}