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Status published
High
CVE-2025-27611
base-x homograph attack allows Unicode lookalike characters to bypass validation.
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from cryptocoinjs
View All →Affected Vendor
cryptocoinjs
View all reports →Affected Software
base-x
Vulnerable Versions:
= 5.0.0, = 4.0.0, < 3.0.11
Timeline
Official Publish:
April 30th, 2025
Last Modified:
May 1st, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.