Code Injection in Firefox for Android - CVE-2021-29944

 

Code Injection in Firefox for Android - CVE-2021-29944

Published: April 19, 2021


Vulnerability identifier: #VU52343
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-29944
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary HTML code.

The vulnerability exists due to improper input validation, when a webpage is viewed in Reader View. A remote attacker can inject and execute arbitrary HTML code in the victim's browser.


Affected software

Firefox for Android

How to mitigate CVE-2021-29944

Install updates from vendor's website.

Firefox for Android - update to 88.1.1

External References

Related Security Bulletins