CVE-2024-45048 HIGH

CVE-2024-45048: XML External Entity Reference (XXE) in PHPSpreadsheet

Vendor Phpoffice
Product PhpSpreadsheet
Weakness CWE-611 · XXE
Published August 28, 2024
Last update August 29, 2024

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions are subject to a bypassing of a filter which allows for an XXE-attack. This in turn allows attacker to obtain contents of local files, even if error reporting is muted. This vulnerability has been addressed in release version 2.2.1. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Key dates

02Disclosure timeline

August 28, 2024 CVE published
August 29, 2024 Record updated