#VU10986 Self-XSS in Mozilla Firefox - CVE-2018-5143

Vulnerability identifier: #VU10986

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

CVE-ID: CVE-2018-5143

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Mozilla Firefox

Software vendor:
Mozilla

The vulnerability allows a remote attacker to conduct self-XSS attack.

The weakness exists due to URLs using javascript: have the protocol removed when pasted into the addressbar to protect users from cross-site scripting (XSS) attacks. A remote attacker can supply URL with embedded tab into addressbar and become socially engineered to run an XSS attack against themselves.

Update to version 59.0.

• https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/