{"cve":"CVE-2012-3828","nvd":{"published":"2012-07-03T22:55:01.693","modified":"2026-06-16T23:43:57.767","status":"Modified","description":"Cross-site scripting (XSS) vulnerability in Joomla! 2.5.3 allows remote attackers to inject arbitrary web script or HTML via the Host HTTP Header.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://packetstormsecurity.org/files/112249/Joomla-2.5.3-Host-Header-Cross-Site-Scripting.html","http://www.securityfocus.com/bid/53277","https://exchange.xforce.ibmcloud.com/vulnerabilities/75223","http://packetstormsecurity.org/files/112249/Joomla-2.5.3-Host-Header-Cross-Site-Scripting.html","http://www.securityfocus.com/bid/53277"],"products":["joomla:joomla\\!"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-3828","score":0.01773,"percentile":0.78171,"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."]}