October CMS 3.4.16 is affected by a Cross-Site Scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload in the installation process.# October CMS Reflected XSS v3.4.16
## Author: (Sergio)
**Description:** Cross-Site Scripting (XSS) vulnerabilitiy in installation of October v.3.4.16 allows a local attacker to execute arbitrary web scripts via a crafted payload injected into the dbhost field.
**Attack Vectors:** A vulnerability in the installation sanitation in the dbhost field allows JavaScript code to be injected.
---
### POC:
During the installation process we enter the XSS payload in dbhost field and when we click on next, we will obtain the XSS pop-up
### XSS Payload:
```js
'"><svg/onload=prompt('dbhost')>
```

In the following image you can see the embedded code that executes the payload in the instalaltion process.

</br>
### Additional Information:
https://octobercms.com/
https://owasp.org/Top10/es/A03_2021-Injection/
[4.0K] /data/pocs/4b2300ae0aa7c7ad3c4bd5102f96a2d8401cba18
└── [1.1K] README.md
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