{"id":"CVE-2017-9442","aliases":["EUVD-2017-18375","GHSA-p7mq-8f2g-rj56"],"status":"disputed","title":"** DISPUTED ** BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary...","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.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02451,"percentile":0.84478,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2017-06-05T19:00:00Z","modified":"2026-10-20T10:49:35Z","products":[{"vendor":"bigtreecms","product":"bigtree_cms"}],"references":[{"url":"https://github.com/bigtreecms/BigTree-CMS/issues/291","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9442"},{"url":"https://github.com/advisories/GHSA-p7mq-8f2g-rj56"}],"sources":{"cve":[{"id":"CVE-2017-9442","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.","status":"disputed","published":"2017-06-05T19:00:00Z","modified":"2024-09-17T00:40:29.696Z","updated_at":"2026-11-02T14:33:13.606903Z"}],"euvd":[{"id":"EUVD-2017-18375","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.","status":"published","published":"2017-06-05T19:00:00Z","modified":"2024-09-17T00:40:29Z","updated_at":"2026-11-03T00:28:56.965297Z"}],"ghsa":[{"id":"GHSA-p7mq-8f2g-rj56","title":"** DISPUTED ** BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary...","description":"** DISPUTED ** 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.\"","status":"published","published":"2022-05-17T02:41:57Z","modified":"2023-01-27T05:05:05Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:42:37.253278Z"}],"nvd":[{"id":"CVE-2017-9442","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.","status":"disputed","published":"2017-06-05T19:29:00.26Z","modified":"2026-06-17T01:28:06.867Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:03:49.449157Z"}],"osv":[{"id":"CVE-2017-9442","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.","status":"published","published":"2017-06-05T19:29:00.26Z","modified":"2026-10-20T10:49:35.765911774Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.868403Z"}]}}