CVE-2024-55878 MEDIUM

CVE-2024-55878: Cross-site Scripting vulnerability in SimpleXLSXEx::readXfs and SimpeXLSX::toHTMLEx

Vendor Shuchkin
Product simplexlsx
Weakness CWE-79 · XSS
Published December 12, 2024
Last update December 13, 2024

CVSS base score

6.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in version 1.0.12 and prior to version 1.1.12, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. Version 1.1.12 fixes the issue. As a workaround, don't use direct publication via toHTMLEx.

Key dates

02Disclosure timeline

December 12, 2024 CVE published
December 13, 2024 Record updated