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CVE-2018-6333

UNKNOWN
Published 2018-12-31T23:00:00.000Z
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Expert Analysis

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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.011
probability
of exploitation in the wild

There is a 1.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.772
Higher than 77.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Facebook

Nuclide

Affected Versions:

v0.290.0 unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

Nuclide Improper Input Validation

GHSA-r83x-wj75-v89r

Advisory Details

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.

Affected Packages

npm nuclide
ECOSYSTEM: ≥0 <0.290.0

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-6333
WEB https://github.com/facebook/nuclide/commit/65f6bbd683404be1bb569b8d1be84b5d4c74a324

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: July 21, 2023

References

https://github.com/facebook/nuclide/commit/65f6bbd683404be1bb569b8d1be84b5d4c74a324
Published: 2018-12-31T23:00:00.000Z
Last Modified: 2025-05-06T14:39:21.844Z
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