{"id":"CVE-2018-17876","aliases":["EUVD-2022-2939","GHSA-77cq-wgpf-g449"],"status":"published","title":"Coaster CMS Stored Cross-site Scripting vulnerability","description":"A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00998,"percentile":0.62989,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2018-10-04T19:00:00Z","modified":"2026-10-24T10:30:43Z","affected":[{"source":"ghsa","ecosystem":"Packagist","package":"web-feet/coastercms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"last_affected":"5.5.0"}]}],"versions":["5.5.0"]},{"source":"osv","ecosystem":"Packagist","package":"web-feet/coastercms","versions":["5.5.0"]}],"products":[{"vendor":"web-feet","product":"coaster_cms"}],"references":[{"url":"http://packetstormsecurity.com/files/149647/Coaster-CMS-5.5.0-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17876","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-77cq-wgpf-g449"},{"url":"https://github.com/CoasterCms/coastercms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-17876","description":"A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","status":"published","published":"2018-10-04T19:00:00Z","modified":"2024-08-05T11:01:14.704Z","updated_at":"2026-11-02T14:35:07.672841Z"}],"euvd":[{"id":"EUVD-2022-2939","description":"A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","status":"published","published":"2018-10-04T19:00:00Z","modified":"2024-08-05T11:01:14Z","updated_at":"2026-11-03T02:39:36.74767Z"}],"ghsa":[{"id":"GHSA-77cq-wgpf-g449","title":"Coaster CMS Stored Cross-site Scripting vulnerability","description":"A Stored Cross-site Scripting vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","status":"published","published":"2022-05-14T01:58:19Z","modified":"2024-04-23T22:57:41Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:44.867253Z"}],"nvd":[{"id":"CVE-2018-17876","description":"A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","status":"published","published":"2018-10-04T19:29:00.93Z","modified":"2026-06-17T01:46:26.817Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:04:42.52179Z"}],"osv":[{"id":"CVE-2018-17876","description":"A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","status":"published","published":"2018-10-04T19:29:00.93Z","modified":"2026-10-24T10:30:43.817824596Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:08.533609Z"},{"id":"GHSA-77cq-wgpf-g449","title":"Coaster CMS Stored Cross-site Scripting vulnerability","description":"A Stored Cross-site Scripting vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.","status":"published","published":"2022-05-14T01:58:19Z","modified":"2024-04-23T23:26:47.725157Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:40.657155Z"}]}}