{"id":"CVE-2020-35275","title":"Coastercms v5.8.18 is affected by cross-site Scripting (XSS)","summary":"Coastercms v5.8.18 is affected by cross-site Scripting (XSS). A user can steal a cookie and make the user redirect to any malicious website because it is trigged on the main home page of the product/application.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"coastercms","product":"coastercms","affected":["coastercms = 5.8.18"],"published":"2020-12-21","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-35275","references":[{"url":"http://demo.coastercms.org/admin/home","label":"cve@mitre.org"},{"url":"http://demo.coastercms.org/admin/login","label":"cve@mitre.org"},{"url":"http://demo.coastercms.org/homepage/blog","label":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/49181","label":"cve@mitre.org"},{"url":"http://coastercms.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://demo.coastercms.org/admin/home","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://demo.coastercms.org/admin/login","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://demo.coastercms.org/homepage/blog","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/49181","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01069,"epssPercentile":0.6339,"ingestedAt":"2026-07-05T00:59:25.585Z","slug":"CVE-2020-35275","body":"## Overview\n\nCoastercms v5.8.18 is affected by cross-site Scripting (XSS). A user can steal a cookie and make the user redirect to any malicious website because it is trigged on the main home page of the product/application.\n\n## Affected\n\n- `coastercms = 5.8.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}