{"id":"CVE-2009-4924","aliases":["EUVD-2010-0028","GHSA-95jp-77w6-qj52","PYSEC-2010-26","UBUNTU-CVE-2009-4924"],"status":"published","title":"Cross-site Scripting in python-cjson","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.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01354,"percentile":0.71841,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2010-07-02T19:00:00Z","modified":"2026-06-16T23:14:37Z","fixes":[{"ecosystem":"PyPI","package":"python-cjson","fixed_in":["1.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"python-cjson","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"python-cjson","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5"]},{"source":"osv","ecosystem":"PyPI","package":"python-cjson","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5"]}],"products":[{"vendor":"dan_pascu","product":"python-cjson"}],"references":[{"url":"http://pypi.python.org/pypi/python-cjson/","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://t3.dotgnu.info/blog/insecurity/quotes-dont-help.html","tags":["x_refsource_MISC","x_transferred","web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4924","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-db/tree/main/vulns/python-cjson/PYSEC-2010-26.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-95jp-77w6-qj52","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/python-cjson/PYSEC-2010-26.yaml","tags":["web"]},{"url":"http://pypi.python.org/pypi/python-cjson","tags":["web"]},{"url":"https://github.com/AGProjects/python-cjson","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2009-4924","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-4924","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2009-4924","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.","status":"published","published":"2010-07-02T19:00:00Z","modified":"2024-09-17T01:11:36.064Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2010-0028","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.","status":"published","published":"2010-07-02T19:00:00Z","modified":"2024-09-17T01:11:36Z","updated_at":"2026-11-03T00:28:52.18343Z"}],"ghsa":[{"id":"GHSA-95jp-77w6-qj52","title":"Cross-site Scripting in python-cjson","description":"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.","status":"published","published":"2021-12-06T18:17:45Z","modified":"2024-10-25T20:51:07Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:13.09489Z"}],"nvd":[{"id":"CVE-2009-4924","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.","status":"published","published":"2010-07-02T19:30:00.863Z","modified":"2026-06-16T23:14:37.813Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:01:38.684719Z"}],"osv":[{"id":"GHSA-95jp-77w6-qj52","title":"Cross-site Scripting in python-cjson","description":"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.","status":"published","published":"2021-12-06T18:17:45Z","modified":"2024-10-25T21:00:54.213007Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:43.123867Z"},{"id":"PYSEC-2010-26","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.","status":"published","published":"2010-07-02T19:30:00Z","modified":"2023-11-08T03:56:54.492097Z","updated_at":"2026-11-02T15:52:51.254177Z"},{"id":"UBUNTU-CVE-2009-4924","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.","status":"withdrawn","published":"2010-07-02T19:30:00Z","modified":"2025-07-16T07:30:38.865346Z","updated_at":"2026-11-02T15:54:05.838224Z"}]}}