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Not in CISA KEV

Malicious Package in m-backdoorGHSA-vv52-3mrp-455m

GHSA-vv52-3mrp-455m is a security vulnerability in m-backdoor. No vendor fix is recorded yet; mitigation options are listed below.

Published
Updated
Affected
1 pkg
Patched
None yet
Exploits
None indexed
Exploitation data as of Aug 31, 2020 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, a proxy for how much of the ecosystem is exposed.

m-backdoornpm
2downloads / week

Description

All versions of m-backdoor contain malicious code. The package downloads a file from a remote server and executes it as a preinstall script. At the time of the release of this advisory the downloaded file only defaces websites by removing elements randomly from the DOM.

Recommendation

Remove the package from your system.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmm-backdoor≥ 0.0.0No fix

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for m-backdoor, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of m-backdoor has shipped for GHSA-vv52-3mrp-455m yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

All versions of `m-backdoor` contain malicious code. The package downloads a file from a remote server and executes it as a preinstall script. At the time of the release of this advisory the downloaded file only defaces websites by removing elements randomly from the DOM. ## Recommendation Remove the package from your system.
O3 Security · Impact-Aware SCA

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Malicious Package in m-backdoor