{"id":"CVE-2009-4924","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-4924","generatedAt":"2026-10-27T19:39:40.556Z","title":"Dan Pascu python-cjson 1.0.5 does not properly handle a ['/'] argument to cjson.encode, which makes it easier for remote attackers to conduct certain cross-site scripting (XSS) attacks involving Firefox and the end tag of a SCRIPT element.","description":"Dan Pascu python-cjson 1.0.5 does not properly handle a ['/'] argument to cjson.encode, which makes it easier for remote attackers to conduct certain cross-site scripting (XSS) attacks involving Firefox and the end tag of a SCRIPT element.","published":"2010-07-02T19:30:01.000Z","lastModified":"2026-06-16T23:14:38.000Z","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":["dan pascu/python-cjson"],"epss":{"score":0.01354,"percentile":0.71411,"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 (1.35%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://pypi.python.org/pypi/python-cjson/","source":"cve@mitre.org"},{"url":"http://t3.dotgnu.info/blog/insecurity/quotes-dont-help.html","source":"cve@mitre.org"},{"url":"http://pypi.python.org/pypi/python-cjson/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://t3.dotgnu.info/blog/insecurity/quotes-dont-help.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-4924","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."}