web3toolkit-base

GHSA-252h-6f45-2cjx

Malicious code in web3toolkit-base (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (bdfcb6d5feffbd89fd13ed27d03b0bf7c14970f09ceeb202f8b36703fec6e907)
Code monitors the clipboard and when detects a cryptocurrency wallet, attempts to overwrite it with the own address.


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2025-07-web3toolkit-base


Reasons (based on the campaign):


 - crypto-related


 - clipboard-modify


 - obfuscation

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/web3toolkit-base/MAL-2025-6621.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/web3toolkit-base
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/web3toolkit-base/MAL-2025-6621.json
- https://github.com/advisories/GHSA-252h-6f45-2cjx

Compromised versions (1)

= 0.1.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.