{"id":"CVE-2021-47835","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-47835","generatedAt":"2026-10-27T20:53:55.117Z","title":"Freeter 1.2.1 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads in custom widget titles and files.","description":"Freeter 1.2.1 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads in custom widget titles and files. Attackers can craft malicious files with embedded scripts that execute when victims interact with the application, potentially enabling remote code execution.","published":"2026-01-16T19:16:09.000Z","lastModified":"2026-06-17T04:18:35.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.1,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00444,"percentile":0.38384,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.44%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://freeter.io/","source":"disclosure@vulncheck.com"},{"url":"https://imgur.com/a/iBuKWm4","source":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/49833","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freeter-persistent-cross-site-scripting","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-47835","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}