{"cve":"CVE-2017-9442","nvd":{"published":"2017-06-05T19:29:00.260","modified":"2026-06-17T01:28:06.867","status":"Modified","description":"BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php. This issue exists in core\\admin\\modules\\developer\\extensions\\install\\unpack.php and core\\admin\\modules\\developer\\packages\\install\\unpack.php. NOTE: the vendor states \"You must implicitly trust any package or extension you install as they all have the ability to write PHP files.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-94"],"references":["https://github.com/bigtreecms/BigTree-CMS/issues/291","https://github.com/bigtreecms/BigTree-CMS/issues/291"],"products":["bigtreecms:bigtree_cms"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2017-9442","score":0.02451,"percentile":0.84387,"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."]}