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.
Remediation
References
https://cdn.sheetjs.com/advisories/CVE-2023-30533
https://git.sheetjs.com/sheetjs/sheetjs/src/branch/master/CHANGELOG.md
https://git.sheetjs.com/sheetjs/sheetjs/issues/2986