What is CVE-2017-18256?

CVE-2017-18256 is a medium-severity vulnerability in Brave Browser. CVSS score: 6.5/10. Published 2018-04-04.

How severe is CVE-2017-18256?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2017-18256 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Brave Browser

CVE-2017-18256

Brave Browser before 0.13.0 allows remote attackers to cause a denial of service (resource consumption) via a long alert() argument in JavaScript code, because window dialogs are mishandled.

EPSS: 0.051 (91.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Brave Brave_browser
N/a — versions n/a

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (x_refsource_CONFIRM, Exploit, Third Party Advisory)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)

Frequently asked questions

What is CVE-2017-18256?: CVE-2017-18256 is a medium-severity vulnerability in Brave Browser. CVSS score: 6.5/10. Published 2018-04-04.
How severe is CVE-2017-18256?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-18256 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.