### [CVE-2023-1715](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1715)
![](https://img.shields.io/static/v1?label=Product&message=Bitrix24&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0%3C%3D%2022.0.300%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

A logic error when using mb_strpos() to check for potential XSS payload in Bitrix24 22.0.300 allows attackers to bypass XSS sanitisation via placing HTML tags at the begining of the payload.

### POC

#### Reference
- https://starlabs.sg/advisories/23/23-1715/

#### Github
No PoCs found on GitHub currently.