5.3

CVE-2023-39333: nodejs node Code Injection

CVSS: 5.3v3.1MediumDeferred
AliasesALPINE-CVE-2023-39333UBUNTU-CVE-2023-39333DEBIAN-CVE-2023-39333
Published 07-09-2024Last modified 03-11-2025

Vulnerability summary

CVE-2023-39333 is a medium (CVSS 5.3) Code Injection vulnerability in nodejs node. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.3% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.11%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 8

Timeline

  1. 07-09-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

+0.17 pp

From 0.94% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • nodejs< 18.18.2-r0
Chainguard1 product
  • nodejs-16All versions (No fix recorded)
Debian1 product
  • nodejs< 18.19.0+dfsg-6~deb12u1 | < 18.13.0+dfsg1-1.1
Nodejs1 product
  • node≥ 4.0, < 4.* | ≥ 5.0, < 5.* | ≥ 6.0, < 6.* | ≥ 7.0, < 7.* | ≥ 8.0, < 8.* | ≥ 9.0, < 9.* | ≥ 10.0, < 10.* | ≥ 11.0, < 11.* | ≥ 12.0, < 12.* | ≥ 13.0, < 13.* | ≥ 14.0, < 14.* | ≥ 15.0, < 15.* | ≥ 16.0, < 16.* | ≥ 17.0, < 17.* | ≥ 18.0, < 18.18.2 | ≥ 19.0, < 19.* | ≥ 20.0, < 20.8.1
Ubuntu1 product
  • nodejsAll versions (No fix recorded)
Wolfi1 product
  • nodejs-16All versions (No fix recorded)

6 vendors · 6 products

References

10 links