The vulnerability of the WKUserScript script in Mozilla Firefox’s browser loading mechanism for iOS allows a malicious user to load any file they desire.

The vulnerability of the WKUserScript script in Mozilla Firefox’s browser download function for iOS is related to deficiencies in access control. Exploiting this vulnerability allows a remote attacker to download any file they desire...

CVE-2020-15661

A rogue webpage could override the injected WKUserScript used by the logins autofill, this exploit could result in leaking a password for the current domain. This vulnerability affects Firefox for iOS 28...