CVE-2023-30533

HIGH

Sheetjs < 0.19.3 - Prototype Pollution

Title source: rule

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.

Exploits (2)

nomisec WORKING POC 12 stars

by BenEdridge · poc

https://github.com/BenEdridge/CVE-2023-30533

View Code ZIP pw:eip

nomisec STUB

by weareu · poc

https://github.com/weareu/xlsx

View Code ZIP pw:eip

References (3)

[Vendor Advisory] https://cdn.sheetjs.com/advisories/CVE-2023-30533

[Release Notes] https://git.sheetjs.com/sheetjs/sheetjs/src/branch/master/CHANGELOG.md

[Issue Tracking] https://git.sheetjs.com/sheetjs/sheetjs/issues/2986

Scores

CVSS v3 7.8

EPSS 0.0770

EPSS Percentile 91.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-1321

Status published

Products (2)

npm/xlsx 0npm

sheetjs/sheetjs < 0.19.3

Published Apr 24, 2023

Tracked Since Feb 18, 2026