CVE-2017-18256

MEDIUM 6.5CVE-2017-18256 · Published 04/04/2018 · updated 17/06/2026

In short

CVE-2017-18256 is a MEDIUM (CVSS 6.5) vulnerability affecting brave browser (brave).
Chance of exploitation in the next 30 days (EPSS): 4.8%, higher than 92.0% of all vulnerabilities.
Fix: update to 0.13.0 or later.

Package	Affected versions	Patched versions
brave browser brave	`< 0.13.0`	`0.13.0`

Description

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.

References

hackerone.com/reports/176066 · Exploit
exploit-db.com/exploits/44474 · Exploit

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