{"cve":"CVE-2012-3578","nvd":{"published":"2012-06-17T03:41:42.907","modified":"2026-06-16T23:43:30.750","status":"Modified","description":"Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.html","http://secunia.com/advisories/49419","http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.html","http://www.securityfocus.com/bid/53855","https://exchange.xforce.ibmcloud.com/vulnerabilities/76123"],"products":["wordpress:fcchat_widget"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-3578","score":0.0826,"percentile":0.94905,"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."]}