Vulnerability identifier: #VU60411
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to perform unauthorized actions.
The vulnerability exists due to frame-ancestors Content Security Policy directive was not enforced for framed extension pages (pages with a moz-extension:// scheme). A remote attacker perform unauthorized actions.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 70.0 - 96.0.3
Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.