{"id":"CVE-2017-7881","aliases":["EUVD-2017-16856","GHSA-rrq3-4f29-3cfj"],"status":"published","title":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote...","description":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00751,"percentile":0.55244,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2017-04-15T16:00:00Z","modified":"2026-10-20T10:49:51Z","products":[{"vendor":"bigtreecms","product":"bigtree_cms"}],"references":[{"url":"https://www.cdxy.me/?p=765","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7881"},{"url":"https://github.com/advisories/GHSA-rrq3-4f29-3cfj"}],"sources":{"cve":[{"id":"CVE-2017-7881","description":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.","status":"published","published":"2017-04-15T16:00:00Z","modified":"2024-08-05T16:19:28.784Z","updated_at":"2026-11-02T14:33:20.488433Z"}],"euvd":[{"id":"EUVD-2017-16856","description":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.","status":"published","published":"2017-04-15T16:00:00Z","modified":"2024-08-05T16:19:28Z","updated_at":"2026-11-03T02:39:07.019497Z"}],"ghsa":[{"id":"GHSA-rrq3-4f29-3cfj","title":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote...","description":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.","status":"published","published":"2022-05-17T02:48:58Z","modified":"2023-01-27T05:05:53Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:42:47.671932Z"}],"nvd":[{"id":"CVE-2017-7881","description":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.","status":"published","published":"2017-04-15T16:59:00.347Z","modified":"2026-06-17T01:25:23.457Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:03:46.08744Z"}],"osv":[{"id":"CVE-2017-7881","description":"BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.","status":"published","published":"2017-04-15T16:59:00.347Z","modified":"2026-10-20T10:49:51.072571431Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.868403Z"}]}}