{"id":"CVE-2009-3539","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-3539","generatedAt":"2026-10-27T20:39:32.696Z","title":"Multiple cross-site scripting (XSS) vulnerabilities in YourFreeWorld Ultra Classifieds Pro allow remote attackers to inject arbitrary web script or HTML via the (1) cname parameter to subclass.php and the (2) sn parameter to listads.php.","description":"Multiple cross-site scripting (XSS) vulnerabilities in YourFreeWorld Ultra Classifieds Pro allow remote attackers to inject arbitrary web script or HTML via the (1) cname parameter to subclass.php and the (2) sn parameter to listads.php.","published":"2009-10-02T19:30:01.000Z","lastModified":"2026-06-16T23:11:48.000Z","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":["yourfreeworld/ultra classifieds pro"],"epss":{"score":0.01525,"percentile":0.74497,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2009-07-20","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":34745,"kind":"exploit","title":"YourFreeWorld Ultra Classifieds - 'subclass.php?cname' Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/34745","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/34745.txt","file":"exploits/php/webapps/34745.txt","published":"2009-07-20","added":"2009-07-20","updated":"2014-09-23","author":"Moudi","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2009-3539","OSVDB-56080"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/43490/info"},{"edbId":34744,"kind":"exploit","title":"YourFreeWorld Ultra Classifieds - 'listads.php' Multiple Cross-Site Scripting Vulnerabilities","url":"https://www.exploit-db.com/exploits/34744","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/34744.txt","file":"exploits/php/webapps/34744.txt","published":"2009-07-20","added":"2009-07-20","updated":"2014-09-23","author":"Moudi","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2009-3539","OSVDB-56078"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/43490/info"}]},"verdict":{"level":"high","text":"2 public exploits are published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.5%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://packetstormsecurity.org/0907-exploits/ultraclassifieds-xss.txt","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/35857","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2009/1965","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.org/0907-exploits/ultraclassifieds-xss.txt","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/35857","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/1965","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-3539","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."}