{"id":"GHSA-cc2p-4jhr-xhhx","summary":"False-positive validity for NFT1 genesis transactions in SLPJS","details":"### Impact\nIn the npm package named \"slpjs\", versions prior to 0.27.4 are vulnerable to false-positive validation outcomes for the NFT1 Child Genesis transaction type. A poorly implemented SLP wallet or opportunistic attacker could create a seemingly valid NFT1 child token without burning any of the NFT1 Group token type as is required by the NFT1 specification.\n\n### Patches\nnpm package \"slpjs\" has been patched and is published and tagged as version 0.27.4.\n\n### Workarounds\nUpgrade to slpjs 0.27.4.\n\n### References\n* Package location: https://www.npmjs.com/package/slpjs\n* SLP NFT1 spec: https://slp.dev/specs/slp-nft-1/#nft1-protocol-requirements\n* Git commit hash fixing this issue: https://github.com/simpleledger/slpjs/commit/290c20e8bff13ac81459d43e54cac232b5e3456c\n* Unit tests have been added to assist validator implementations in avoiding this bug: https://github.com/simpleledger/slp-unit-test-data/commit/8c942eacfae12686dcf1f3366321445a4fba73e7\n\n### For more information\nIf you have any questions or comments about this advisory please open an issue in the [slp-validate](https://github.com/simpleledger/slpjs/issues) repository.","aliases":["CVE-2020-15130"],"modified":"2026-09-10T03:49:25.420649412Z","published":"2020-07-30T14:58:42Z","database_specific":{"nvd_published_at":null,"cwe_ids":["CWE-697"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2020-07-30T14:44:06Z"},"references":[{"type":"WEB","url":"https://github.com/simpleledger/slpjs/security/advisories/GHSA-cc2p-4jhr-xhhx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15130"},{"type":"WEB","url":"https://github.com/simpleledger/slpjs/commit/290c20e8bff13ac81459d43e54cac232b5e3456c"}],"affected":[{"package":{"name":"slpjs","ecosystem":"npm","purl":"pkg:npm/slpjs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.27.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/07/GHSA-cc2p-4jhr-xhhx/GHSA-cc2p-4jhr-xhhx.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}