{"cve":"CVE-2009-4412","nvd":{"published":"2009-12-24T16:30:00.360","modified":"2026-06-16T23:13:37.080","status":"Modified","description":"Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory.  NOTE: some of these details are obtained from third party information.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://blog.s9y.org/archives/211-Serendipity-1.5-released.html","http://osvdb.org/61245","http://secunia.com/advisories/37830","http://www.openwall.com/lists/oss-security/2009/12/21/1","http://www.vupen.com/english/advisories/2009/3626"],"products":["s9y:serendipity"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4412","score":0.01852,"percentile":0.79142,"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."]}