{"cve":"CVE-2011-2509","nvd":{"published":"2011-07-27T20:55:03.257","modified":"2026-06-16T23:31:28.990","status":"Modified","description":"Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the com_contact component, as demonstrated by the Itemid parameter to index.php; (2) the query string to the com_content component, as demonstrated by the filter_order parameter to index.php; (3) the query string to the com_newsfeeds component, as demonstrated by an arbitrary parameter to index.php; or (4) the option parameter in a reset.request action to index.php; and, when Internet Explorer or Konqueror is used, (5) allow remote attackers to inject arbitrary web script or HTML via the searchword parameter in a search action to index.php in the com_search component.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://developer.joomla.org/security/news/352-20110604-xss-vulnerability.html","http://www.openwall.com/lists/oss-security/2011/06/28/4","http://www.openwall.com/lists/oss-security/2011/06/29/12","http://yehg.net/lab/pr0js/advisories/joomla/core/%5Bjoomla_1.6.3%5D_cross_site_scripting%28XSS%29","http://developer.joomla.org/security/news/352-20110604-xss-vulnerability.html"],"products":["joomla:joomla\\!"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2509","score":0.01089,"percentile":0.6536,"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."]}