CVE-2018-6333

Description

The hhvm-attach deep link handler in Nuclide did not properly sanitize the provided hostname parameter when rendering. As a result, a malicious URL could be used to render HTML and other content inside of the editor's context, which could potentially be chained to lead to code execution. This issue affected Nuclide prior to v0.290.0.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.11% Top 25%
Third-Party Advisory github.com
Affected: Facebook Nuclide
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2018-6333?
CVE-2018-6333 has been scored as a critical severity vulnerability.
How to fix CVE-2018-6333?
To fix CVE-2018-6333, 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-2018-6333 being actively exploited in the wild?
It is possible that CVE-2018-6333 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-6333?
CVE-2018-6333 affects Facebook Nuclide.
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