{"id":"CVE-2017-9442","details":"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.","modified":"2026-07-08T16:54:28.572375Z","published":"2017-06-05T19:29:00.260Z","references":[{"type":"EVIDENCE","url":"https://github.com/bigtreecms/BigTree-CMS/issues/291"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bigtreecms/bigtree-cms","events":[{"introduced":"0"},{"last_affected":"9f8ecb0a5d9a575353ec8db26fc9d8c233c1fcdb"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"4.2.18"}]}}],"versions":["4.2.18","4.2.17","4.2.16","4.2.15","4.2.14","4.2.13","4.2.12","4.2.11","4.2.10","4.2.9","4.2.8","4.2","v4.0b3","4.0beta2","v4.0b1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9442.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}