Same-origin policy bypass in Mozilla Firefox - CVE-2018-18494

Vulnerability identifier: #VU16489

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2018-18494

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox

The vulnerability allows a remote attacker to bypass same-origin policy on the target system.

The weakness exists due to an error .when using the Javascript location property. A remote attacker can trick the victim into visiting a specially crafted website and theft cross-origin URL entries to cause a redirection to another site using performance.getEntries(). 

Update to version 64.0.

• https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/