Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : interpretation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : concatenation with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote

Safe sample input : use shell_exec to cat /tmp/tainted.txt sanitize : check if there is only letters construction : use of sprintf via a %s with simple quote