CVE-2021-43544 : Exploit Details and Defense Strategies
Learn about CVE-2021-43544 impacting Firefox for Android versions less than 95. Discover the XSS risk and how to prevent spoofing attacks. Stay secure!
A security vulnerability in Firefox for Android that could allow for XSS and spoofing attacks.
Understanding CVE-2021-43544
Firefox vulnerability impacting version less than 95.
What is CVE-2021-43544?
When receiving a URL through a SEND intent in Firefox for Android, subsequent uses of the address bar may unintentionally load the URL, leading to potential XSS and spoofing attacks.
The Impact of CVE-2021-43544
- Allows for XSS and spoofing attacks
- Specifically affects Firefox for Android
Technical Details of CVE-2021-43544
Firefox vulnerability details.
Vulnerability Description
- Receiving a malicious URL through a SEND intent
- Subsequent address bar usage may lead to XSS
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions: Less than 95
- Specifically affects Firefox for Android
Exploitation Mechanism
- Malicious URL received through a SEND intent
- Address bar usage triggers unintentional loading
Mitigation and Prevention
Steps to mitigate the CVE-2021-43544 vulnerability.
Immediate Steps to Take
- Update Firefox to version 95 or above
- Avoid clicking on suspicious or untrusted links
Long-Term Security Practices
- Regularly update browsers and applications
- Exercise caution when sharing or interacting with URLs
Patching and Updates
- Apply security patches provided by Mozilla