Description
exceljs through 4.4.0 contains a path traversal vulnerability in the Workbook.addImage() function that fails to validate file paths. Attackers can supply arbitrary file paths to read any file accessible to the Node.js process and embed it in the generated workbook.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
exceljs exceljs
Default version status: unaffected
0 to ≤ 4.4.0affected
pkg:npm/exceljsReferences
- https://github.com/exceljs/exceljs ↗
- https://github.com/mateocallec/exceljs-hardened/security/advisories/GHSA-m8mg-8574-gm3m ↗
- https://github.com/exceljs/exceljs/blob/v4.4.0/lib/doc/workbook.js#L142-L147 ↗
- https://github.com/exceljs/exceljs/blob/v4.4.0/lib/xlsx/xlsx.js#L421-L429 ↗
- https://www.vulncheck.com/advisories/exceljs-through-path-traversal-via-unvalidated-addimage-filename ↗