CSRF Protection Bypass in BigTree CMS through 4.2.17

CVE-2017-7881 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

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.

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