{"cve":"CVE-2009-4101","nvd":{"published":"2009-11-29T13:08:29.420","modified":"2026-06-16T23:13:02.417","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://secunia.com/advisories/37467","http://www.vupen.com/english/advisories/2009/3323","https://addons.mozilla.org/en-US/firefox/addons/versions/361#version-1.2.0","https://exchange.xforce.ibmcloud.com/vulnerabilities/54370","http://secunia.com/advisories/37467"],"products":["didier_ernotte:inforss"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-4101","score":0.03553,"percentile":0.89314,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}