cve/2022/CVE-2022-4156.md

### [CVE-2022-4156](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4156)
![](https://img.shields.io/static/v1?label=Product&message=Contest%20Gallery%20Pro&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Contest%20Gallery&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%200%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-89%20SQL%20Injection&color=brighgreen)

### Description

The Contest Gallery WordPress plugin before 19.1.5.1, Contest Gallery Pro WordPress plugin before 19.1.5.1 do not escape the user_id POST parameter before concatenating it to an SQL query in ajax-functions-backend.php. This may allow malicious users with at least author privilege to leak sensitive information from the site's database.

### POC

#### Reference
- https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1
- https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1
- https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0
- https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0

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