cve/2021/CVE-2021-21123.md

### [CVE-2021-21123](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21123)
![](https://img.shields.io/static/v1?label=Product&message=Chrome&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2088.0.4324.96%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Insufficient%20data%20validation&color=brighgreen)

### Description

Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/Puliczek/CVE-2021-21123-PoC-Google-Chrome
- https://github.com/Puliczek/puliczek
- https://github.com/SYRTI/POC_to_review
- https://github.com/WhooAmii/POC_to_review
- https://github.com/adriacabeza/personal-stars
- https://github.com/anquanscan/sec-tools
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/manas3c/CVE-POC
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/soosmile/POC
- https://github.com/taielab/awesome-hacking-lists
- https://github.com/trhacknon/Pocingit
- https://github.com/whoforget/CVE-POC
- https://github.com/xdavidhu/awesome-google-vrp-writeups
- https://github.com/youwizard/CVE-POC
- https://github.com/zecool/cve