{"cve":"CVE-2025-27611","nvd":{"published":"2025-04-30T20:15:21.430","modified":"2026-06-17T09:03:54.637","status":"Deferred","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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":null,"cwes":["CWE-1007"],"references":["https://github.com/cryptocoinjs/base-x/pull/86","https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82p"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:01:11.054312287+00:00"},"epss":{"cve":"CVE-2025-27611","score":0.00453,"percentile":0.39372,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xq7p-g2vc-g82p","url":"https://osv.dev/vulnerability/GHSA-xq7p-g2vc-g82p","summary":"Homograph attack allows Unicode lookalike characters to bypass validation.","modified":"2025-05-01T13:30:57Z","packages":[{"ecosystem":"npm","name":"base-x","purl":"pkg:npm/base-x","ranges":[">=5.0.0 <5.0.1"],"fixed":["5.0.1"]},{"ecosystem":"npm","name":"base-x","purl":"pkg:npm/base-x","ranges":[">=4.0.0 <4.0.1"],"fixed":["4.0.1"]},{"ecosystem":"npm","name":"base-x","purl":"pkg:npm/base-x","ranges":["<3.0.11"],"fixed":["3.0.11"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}