{"cve":"CVE-2023-30533","nvd":{"published":"2023-04-24T08:15:07.217","modified":"2026-06-17T05:54:57.583","status":"Modified","description":"SheetJS Community Edition before 0.19.3 allows Prototype Pollution via a crafted file. In other words. 0.19.2 and earlier are affected, whereas 0.19.3 and later are unaffected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-1321"],"references":["https://cdn.sheetjs.com/advisories/CVE-2023-30533","https://git.sheetjs.com/sheetjs/sheetjs/issues/2986","https://git.sheetjs.com/sheetjs/sheetjs/src/branch/master/CHANGELOG.md","https://cdn.sheetjs.com/advisories/CVE-2023-30533","https://git.sheetjs.com/sheetjs/sheetjs/issues/2986"],"products":["sheetjs:sheetjs"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2023-30533","score":0.00988,"percentile":0.62486,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-4r6h-8v6p-xvw6","url":"https://osv.dev/vulnerability/GHSA-4r6h-8v6p-xvw6","summary":"Prototype Pollution in sheetJS","modified":"2025-09-19T15:23:40Z","packages":[{"ecosystem":"npm","name":"xlsx","purl":"pkg:npm/xlsx","ranges":["all versions"],"fixed":[]}]}],"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."]}