Self-XSS in Mozilla Firefox - CVE-2017-5458
Published: April 19, 2017
Vulnerability identifier: #VU6344
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2017-5458
CWE-ID: CWE-79
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 perform a psoofing attack.
The vulnerability exists due to an insufficient sanitization of data sent as URL, when a javascript: URL is drag and dropped by a user into the addressbar, the URL will be processed and executed. A remote attacker can trick the victim into executing malicious JavaScript.
How to mitigate CVE-2017-5458
Update to Firefox 53.