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CVE-2025-54313

Embedded Malicious Code: Is CVE-2025-54313 real, exploitable, or a false positive? Here's the community verdict.

Community verdict: No field verdicts yet. Be the first practitioner to weigh in.

signals

public sources

Exploited in wild
Yes
CISA KEV · Jan 22, 2026
Public exploit
PoC (unverified)
Metasploit/EDB/PoC
Base severity
7.5 High
CVSS
Exploitation prob.
5%
FIRST EPSS
Weakness
CWE-506 · Embedded Malicious Code
CWE

Confirmed exploited in the wild. Patch this first, regardless of the base score.

cisa ssvc

CISA Vulnrichment · assessed

Exploitation
Active
in the wild
Automatable
No
at scale
Technical impact
Partial
on success

CISA decision, by how critical the affected system is to you:

  • low impact → Track
  • medium impact → Track
  • high impact → Attend

Track: normal patch cycle · Track*: watch closely · Attend: patch sooner · Act: patch now. About SSVC ↗

public exploits

links to sources — we don’t host code

Unverified proof-of-concept code has been published. It may or may not be functional — assess before relying on it.

affected packages

GHSA-f29h-pxvx-f335 · GitHub rates it high
  • npmeslint-config-prettier
    Vulnerable
    ≥ 8.10.1, < 8.10.2; ≥ 9.1.1, < 9.1.2; ≥ 10.1.6, < 10.1.8
    Fixed in
    8.10.2, 9.1.2, 10.1.8
  • npmeslint-plugin-prettier
    Vulnerable
    ≥ 4.2.2, < 4.2.4
    Fixed in
    4.2.4
  • npmsynckit
    Vulnerable
    ≥ 0.11.9, < 0.11.10
    Fixed in
    0.11.10
  • npm@pkgr/core
    Vulnerable
    ≥ 0.2.8, < 0.2.9
    Fixed in
    0.2.9
  • npmnapi-postinstall
    Vulnerable
    ≥ 0.3.1, < 0.3.2
    Fixed in
    0.3.2
  • npmgot-fetch
    Vulnerable
    ≥ 5.1.11, < 6.0.0
    Fixed in
    6.0.0

Source: GitHub Advisory Database (CC-BY 4.0), via OSV.dev. Check your lockfile version against the ranges above.

baseline read

auto · not a community verdict

Real — exploited in the wild

CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.

Based on CISA KEV

Confirm or dispute →

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

eslint-config-prettier 8.10.1, 9.1.1, 10.1.6, and 10.1.7 has embedded malicious code for a supply chain compromise. Installing an affected package executes an install.js file that launches the node-gyp.dll malware on Windows.

Published · Added to CISA KEV (187 days after publication)

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timeline

  1. CISA SSVC assessment · exploitation: active
  2. Added to CISA KEV · confirmed exploited in the wild
  3. Published by NVD
  4. Added to VulnCheck KEV · reported exploited in the wild

Score and exploit changes tracked since .

Community ground truth

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In your experience, is this finding real and exploitable?

awaiting field verdicts
Real, but not a risk here
Not a real issue

Curated baseline: TruePositive's read from public sources is Real & exploitable — a starting point, not a community verdict.

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Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    Prettier eslint-config-prettier Embedded Malicious Code Vulnerability — Prettier eslint-config-prettier contains an embedded malicious code vulnerability. Installing an affected package executes an install.js file that launches the node-gyp.dll malware on Windows. Listed in the CISA KEV catalog (added 2026-01-22) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~5%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · TruePositive EditorialCurated

    Required action for Prettier eslint-config-prettier: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2026-02-12. After patching, verify the vulnerable path is no longer reachable before closing the finding.

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Same weakness: CWE-506 · Embedded Malicious Code.