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CVE-2025-27611

CVE-2025-27611 · base-x homograph attack allows Unicode lookalike characters to bypass validation.

This page contains facts from public vulnerability sources. Check the original advisory before updating.

base-x is a base encoder and decoder of any given alphabet using bitcoin style leading zero compression. Versions 4.0.0, 5.0.0, and all prior to 3.0.11, are vulnerable to attackers potentially deceiving users into sending funds to an unintended address. This issue has been patched in versions 3.0.11, 4.0.1, and 5.0.1.

CVSS 8.7 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • base-x

    Versions
    • = 5.0.0: Affected
    • = 4.0.0: Affected
    • < 3.0.11: Affected

    No fix published

  • base-x npm

    Versions
    • 5.0.0
    Affected ranges
    • SEMVER: ≥ 5.0.0, < 5.0.1

    Update to 5.0.1

  • base-x npm

    Versions
    • 4.0.0
    Affected ranges
    • SEMVER: ≥ 4.0.0, < 4.0.1

    Update to 4.0.1

  • base-x npm

    Affected ranges
    • SEMVER: < 3.0.11

    Update to 3.0.11

Original sources

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