{"id":"CVE-2010-4209","url":"https://www.cyber-defence.io/tools/cve/CVE-2010-4209","generatedAt":"2026-10-27T20:52:22.597Z","title":"Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.8.0 through 2.8.1, as used in Bugzilla 3.7.1 through 3.7.3 and 4.1, allows remote attackers to inject arbitrary web script or HTML via vectors related to…","description":"Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.8.0 through 2.8.1, as used in Bugzilla 3.7.1 through 3.7.3 and 4.1, allows remote attackers to inject arbitrary web script or HTML via vectors related to swfstore/swfstore.swf.","published":"2010-11-07T22:00:04.000Z","lastModified":"2026-06-16T23:24:22.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-79"],"affected":["yahoo/yui"],"epss":{"score":0.04925,"percentile":0.92067,"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 (4.92%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050813.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050820.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050830.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/41955","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/42271","source":"cve@mitre.org"},{"url":"http://www.bugzilla.org/security/3.2.8/","source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2010/11/07/1","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/514622","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/44420","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1024683","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2010/2878","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2010/2975","source":"cve@mitre.org"},{"url":"http://yuilibrary.com/support/2.8.2/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050813.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050820.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050830.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/41955","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/42271","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.bugzilla.org/security/3.2.8/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2010/11/07/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/514622","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/44420","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1024683","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/2878","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/2975","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://yuilibrary.com/support/2.8.2/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-4209","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."}