{"id":"CVE-2009-4101","aliases":["EUVD-2009-4072","GHSA-3p7q-v9m4-g386"],"status":"published","title":"infoRSS 1.1.4.2 and earlier extension for Firefox performs certain operations with chrome...","description":"infoRSS 1.1.4.2 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":"2026-11-07","score":0.03553,"percentile":0.89386,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2009-11-28T11:00:00Z","modified":"2026-06-16T23:13:02Z","products":[{"vendor":"didier_ernotte","product":"inforss"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54370","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/37467","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://addons.mozilla.org/en-US/firefox/addons/versions/361#version-1.2.0","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/3323","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4101"},{"url":"https://github.com/advisories/GHSA-3p7q-v9m4-g386"}],"sources":{"cve":[{"id":"CVE-2009-4101","description":"infoRSS 1.1.4.2 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":"2024-08-07T06:54:08.625Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4072","description":"infoRSS 1.1.4.2 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":"2024-08-07T06:54:08Z","updated_at":"2026-11-03T01:39:11.214145Z"}],"ghsa":[{"id":"GHSA-3p7q-v9m4-g386","title":"infoRSS 1.1.4.2 and earlier extension for Firefox performs certain operations with chrome...","description":"infoRSS 1.1.4.2 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":"2023-01-31T05:08:58Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:28.537064Z"}],"nvd":[{"id":"CVE-2009-4101","description":"infoRSS 1.1.4.2 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":"2009-11-29T13:08:29.42Z","modified":"2026-06-16T23:13:02.417Z","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"}]}}