The default configuration of phpThumb before 1.7.12 has a false value for the disable_debug option, which allows remote attackers to conduct Server-Side Request Forgery (SSRF) attacks via the src parameter.
www.rafayhackingarticles.net/2013/11/phpthumb-server-side-request-forgery.html
github.com/JamesHeinrich/phpThumb
github.com/JamesHeinrich/phpThumb/blob/7ee966b38ddd7eb4d8091389aa514604710711c8/docs/phpthumb.changelog.txt#L106
github.com/JamesHeinrich/phpThumb/commit/457a37d4a22ac9cdbbfe19577376622e58df81b0
nvd.nist.gov/vuln/detail/CVE-2013-6919