CVE-2017-18256

Public Exploit

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.

6.5

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 6.97% Top 10%

Third-Party Advisory hackerone.com Third-Party Advisory exploit-db.com

Affected: n/a n/a

References

Link	Tags
https://hackerone.com/reports/176066	third party advisory exploit
https://www.exploit-db.com/exploits/44474/	exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-18256?: CVE-2017-18256 has been scored as a medium severity vulnerability.
How to fix CVE-2017-18256?: To fix CVE-2017-18256, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-18256 being actively exploited in the wild?: It is possible that CVE-2017-18256 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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