CVE-2021-43530: XSS
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.
Other sources
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.
— Mozilla
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2021-43530?
CVE-2021-43530 is a Universal XSS vulnerability in Firefox for Android.
How does CVE-2021-43530 affect users?
CVE-2021-43530 affects users of Firefox for Android by allowing attackers to execute malicious scripts on websites visited by the user.
What is the severity of CVE-2021-43530?
The severity of CVE-2021-43530 is rated as high, with a severity value of 7.
How can I fix CVE-2021-43530?
To fix CVE-2021-43530, users should update their Firefox for Android to version 94 or higher, as recommended by Mozilla.
Are other operating systems affected by CVE-2021-43530?
No, other operating systems are unaffected by CVE-2021-43530. This vulnerability only affects Firefox for Android.