CVE-2017-18256

6.5 mediumEPSS 4.8%

Medium (6.5) in brave brave browser. EPSS 4.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 4.8% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
Published: 2018-04-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

brave:brave_browser

References

https://hackerone.com/reports/176066
https://www.exploit-db.com/exploits/44474/
https://hackerone.com/reports/176066
https://www.exploit-db.com/exploits/44474/

Check your stack JSON