### [CVE-2021-43530](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43530) ![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=Universal%20XSS%20in%20Firefox%20for%20Android%20via%20QR%20Code%20URLs&color=brightgreen) ### Description A Universal XSS vulnerability was present in Firefox for Android resulting from improper sanitization when processing a URL scanned from a QR code. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94. ### POC #### Reference - https://bugzilla.mozilla.org/show_bug.cgi?id=1736886 #### Github - https://github.com/ARPSyndicate/cvemon - https://github.com/NaInSec/CVE-PoC-in-GitHub - https://github.com/SYRTI/POC_to_review - https://github.com/WhooAmii/POC_to_review - https://github.com/hfh86/CVE-2021-43530-UXSS-On-QRcode-Reader- - https://github.com/nomi-sec/PoC-in-GitHub - https://github.com/soosmile/POC - https://github.com/trhacknon/Pocingit - https://github.com/zecool/cve