CVE-2023-30533

high

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.

References

https://github.com/weareu/xlsx

https://github.com/Leviticus-Triage/CVE_Exploit_Framework-s

https://github.com/BenEdridge/hacks

https://www.bleepingcomputer.com/news/security/critical-sap-flaw-allows-remote-attackers-to-bypass-authentication/

https://git.sheetjs.com/sheetjs/sheetjs/src/branch/master/CHANGELOG.md

https://git.sheetjs.com/sheetjs/sheetjs/issues/2986

https://cdn.sheetjs.com/advisories/CVE-2023-30533

Details

Source: Mitre, NVD

Published: 2023-04-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

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