CVE-2023-39333 - CVE House
Back to Database
Status published Unknown CVE-2023-39333

Maliciously crafted export names in an imported WebAssembly module can...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-39333

Credits & Attribution

No credits recorded in the NVD database.

References

More from NodeJS

View All →
CVE-2025-23085
A memory leak could occur when a remote peer abruptly...
Medium 5.3
CVE-2025-23084
A vulnerability has been identified in Node.js, specifically affecting the...
Medium 5.6
CVE-2025-23083
With the aid of the diagnostics_channel utility, an event can...
High 7.7
CVE-2024-37372
The Permission Model assumes that any path starting with two...
Low 3.6
CVE-2024-36138
Bypass incomplete fix of CVE-2024-27980, that arises from improper handling...
High 8.1

Affected Vendor

Affected Software

Node
Vulnerable Versions:
4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0, 20.0

Timeline

Official Publish: September 7th, 2024
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.