{"cve":"CVE-2013-4465","nvd":{"published":"2013-10-25T23:55:04.130","modified":"2026-06-16T23:57:16.497","status":"Modified","description":"Unrestricted file upload vulnerability in the avatar upload functionality in Simple Machines Forum before 2.0.6 and 2.1 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified directory.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://download.simplemachines.org/index.php?thanks%3Bfilename=smf_2-0-6_changelog.txt","http://www.openwall.com/lists/oss-security/2013/10/23/6","http://www.openwall.com/lists/oss-security/2013/10/25/3","http://www.securityfocus.com/bid/63275","https://github.com/SimpleMachines/SMF2.1/issues/701"],"products":["simplemachines:simple_machines_forum"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-4465","score":0.02376,"percentile":0.83866,"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."]}