CVE-2018-16489
A prototype pollution vulnerability was found in just-extend <4.0.0 that allows attack to inject properties onto Object.prototype through its functions.
9.8CVSSCRITICAL
Description
Prototype Pollution in just-extend
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.
Exploitability
Official Patch Available
MITRE ATT&CK
3 techniques Execution
Impact
Initial Access
References
https://nvd.nist.gov/vuln/detail/CVE-2018-16489
nvd.nist.gov
https://hackerone.com/reports/430291
hackerone.com
https://github.com/advisories/GHSA-675m-85rw-j3w4
github.com
and 1 more references View all →
Timeline
Published
Feb 1, 2019
Last Updated
Nov 21, 2024
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2018-16489 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows