{"id":"CVE-2025-27611","state":"PUBLISHED","title":"base-x homograph attack allows Unicode lookalike characters to bypass validation.","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.","publishedAt":"2025-04-30T19:36:57.356Z","updatedAt":"2025-05-01T18:49:22.814Z","severity":{"score":8.7,"label":"High","version":"4.0","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","source":"GitHub_M"},"assigner":"GitHub_M","products":["cryptocoinjs base-x"],"affected":[{"vendor":"cryptocoinjs","product":"base-x","versions":[{"version":"= 5.0.0","status":"affected"},{"version":"= 4.0.0","status":"affected"},{"version":"< 3.0.11","status":"affected"}]}],"references":["https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82p","https://github.com/cryptocoinjs/base-x/pull/86"],"weaknesses":["CWE-1007"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/27xxx/CVE-2025-27611.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-27611","state":"PUBLISHED","datePublished":"2025-04-30T19:36:57.356Z","dateUpdated":"2025-05-01T18:49:22.814Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-03-03T15:10:34.079Z"},"containers":{"cna":{"title":"base-x homograph attack allows Unicode lookalike characters to bypass validation.","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"cryptocoinjs","product":"base-x","versions":[{"version":"= 5.0.0","status":"affected"},{"version":"= 4.0.0","status":"affected"},{"version":"< 3.0.11","status":"affected"}]}],"references":[{"url":"https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82p","name":"https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82p","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cryptocoinjs/base-x/pull/86","name":"https://github.com/cryptocoinjs/base-x/pull/86","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1007","lang":"en","description":"CWE-1007: Insufficient Visual Distinction of Homoglyphs Presented to User","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-04-30T19:36:57.356Z"},"source":{"advisory":"GHSA-xq7p-g2vc-g82p","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-01T18:49:09.602435Z","id":"CVE-2025-27611","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-01T18:49:22.814Z"}}]}}}