Vulnerability identifier: #VU10980
Vulnerability risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Vendor: 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.
Mitigation
Update to version 59.0.
Vulnerable software versions
Mozilla Firefox: 58.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.