cve/2023/CVE-2023-30838.md

### [CVE-2023-30838](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-30838)
![](https://img.shields.io/static/v1?label=Product&message=PrestaShop&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3E%3D%208.0.0%2C%20%3C%208.0.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%3A%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

PrestaShop is an Open Source e-commerce web application. Prior to versions 8.0.4 and 1.7.8.9, the `ValidateCore::isCleanHTML()` method of Prestashop misses hijackable events which can lead to cross-site scripting (XSS) injection, allowed by the presence of pre-setup `@keyframes` methods. This XSS, which hijacks HTML attributes, can be triggered without any interaction by the visitor/administrator, which makes it as dangerous as a trivial XSS attack. Contrary to other attacks which target HTML attributes and are triggered without user interaction (such as onload / onerror which suffer from a very limited scope), this one can hijack every HTML element, which increases the danger due to a complete HTML elements scope. Versions 8.0.4 and 1.7.8.9 contain a fix for this issue.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/drkbcn/lblfixer_cve_2023_30839