{"id":"CVE-2009-4102","aliases":["DEBIAN-CVE-2009-4102","DSA-1951-1","EUVD-2009-4073","GHSA-g29q-9g3g-6fjr"],"status":"published","title":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges,...","description":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0339,"percentile":0.88889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2009-11-28T11:00:00Z","modified":"2026-06-16T23:13:02Z","fixes":[{"ecosystem":"Debian:4.0","package":"firefox-sage","fixed_in":["1.3.6-4etch1"],"sources":["osv"]},{"ecosystem":"Debian:5.0","package":"firefox-sage","fixed_in":["1.4.2-0.1+lenny1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:4.0","package":"firefox-sage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-4etch1"}]}],"versions":["1.3.6-4"]},{"source":"osv","ecosystem":"Debian:5.0","package":"firefox-sage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-0.1+lenny1"}]}],"versions":["1.4.2-0.1"]}],"products":[{"vendor":"mozilla","product":"firefox"},{"vendor":"sage.mozdev","product":"sage"}],"references":[{"url":"http://jvn.jp/en/jp/JVN99203127/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred"]},{"url":"http://secunia.com/advisories/37466","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/37120","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://forums.mozillazine.org/viewtopic.php?f=48\u0026t=1603515\u0026start=0","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/3324","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54396","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2011-000070","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred"]},{"url":"http://www.net-security.org/secworld.php?id=8527","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.debian.org/security/2009/dsa-1951","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4102"},{"url":"https://github.com/advisories/GHSA-g29q-9g3g-6fjr"}],"sources":{"cve":[{"id":"CVE-2009-4102","description":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.","status":"published","published":"2009-11-28T11:00:00Z","modified":"2024-08-07T06:54:09.125Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4073","description":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.","status":"published","published":"2009-11-28T11:00:00Z","modified":"2024-08-07T06:54:09Z","updated_at":"2026-11-03T01:39:11.214145Z"}],"ghsa":[{"id":"GHSA-g29q-9g3g-6fjr","title":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges,...","description":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.","status":"published","published":"2022-05-02T03:51:34Z","modified":"2023-01-31T05:08:59Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:28.537064Z"}],"nvd":[{"id":"CVE-2009-4102","description":"Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.","status":"published","published":"2009-11-29T13:08:29.437Z","modified":"2026-06-16T23:13:02.54Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:37.939838Z"}],"osv":[{"id":"DSA-1951-1","title":"firefox-sage - insufficient input sanitizing","status":"published","published":"2009-12-15T00:00:00Z","modified":"2026-03-09T01:19:16.254155Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}