// For flags

CVE-2023-39333

nodejs: code injection via WebAssembly export names

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Maliciously crafted export names in an imported WebAssembly module can inject JavaScript code. The injected code may be able to access data and functions that the WebAssembly module itself does not have access to, similar to as if the WebAssembly module was a JavaScript module.

This vulnerability affects users of any active release line of Node.js. The vulnerable feature is only available if Node.js is started with the `--experimental-wasm-modules` command line option.

Maliciously crafted export names in an imported WebAssembly module can inject JavaScript code. The injected code may be able to access data and functions that the WebAssembly module itself does not have access to, similar to as if the WebAssembly module was a JavaScript module.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-07-28 CVE Reserved
  • 2023-12-28 CVE Published
  • 2024-09-08 EPSS Updated
  • 2024-10-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-94: Improper Control of Generation of Code ('Code Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Node.js
Search vendor "Node.js"
 Node.js
Search vendor "Node.js" for product "Node.js"
 20.8.0
Search vendor "Node.js" for product "Node.js" and version "20.8.0"
en
Affected
Node.js
Search vendor "Node.js"
 Node.js
Search vendor "Node.js" for product "Node.js"
 18.18.1
Search vendor "Node.js" for product "Node.js" and version "18.18.1"
en
Affected