#VU10980 Cross-origin bypass in Mozilla Firefox - CVE-2018-5136
Published: March 13, 2018
Vulnerability identifier: #VU10980
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-5136
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can share a shared worker created from a data: URL in one tab by another tab with a different origin and bypass the same-origin policy.
Remediation
Update to version 59.0.