{"cve":"CVE-2014-5298","nvd":{"published":"2014-10-10T01:55:11.210","modified":"2026-06-17T00:11:20.750","status":"Modified","description":"FileUploadsFilter.php in X2Engine 4.1.7 and earlier, when running on case-insensitive file systems, allows remote attackers to bypass the upload blacklist and conduct unrestricted file upload attacks by uploading a file with an executable extension that contains uppercase letters, as demonstrated using a PHP program.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://karmainsecurity.com/KIS-2014-10","http://packetstormsecurity.com/files/128353/X2Engine-4.1.7-Unrestricted-File-Upload.html","http://seclists.org/fulldisclosure/2014/Sep/78","http://www.securityfocus.com/archive/1/533514/100/0/threaded","https://cert-portal.siemens.com/productcert/pdf/ssa-234763.pdf"],"products":["x2engine:x2engine"],"source":"nvd","synced_at":"2026-10-19T20:34:04.196504363+00:00"},"epss":{"cve":"CVE-2014-5298","score":0.03002,"percentile":0.87373,"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."]}