Spoofing attack in Mozilla Firefox - CVE-2017-7791
Published: August 14, 2017
Vulnerability identifier: #VU7841
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7791
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to conduct spoofing attack on the target system.
The weakness exists due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website and use iframe content and the 'data:' protocol to spoof the origin of a modal alert.
The weakness exists due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website and use iframe content and the 'data:' protocol to spoof the origin of a modal alert.
How to mitigate CVE-2017-7791
Update to version 55.0.