This security advisory describes one low risk vulnerability.
Exploit availability: NoDescription
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.
Install updates from vendor's website.Vulnerable software versions
Firefox for Android: 80.1.2, 81.1.0, 81.1.3, 81.1.4, 81.1.5, 82.1.0, 82.1.1, 82.1.3, 83.0.0, 83.1.0, 84.1.0, 84.1.1, 84.1.2, 84.1.3, 84.1.4, 85.1.0, 85.1.1, 85.1.2, 85.1.3, 86.1.0, 86.1.1CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted app.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.