CVE-2024-45048 - CVE House

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Status published High CVE-2024-45048

XML External Entity Reference (XXE) in PHPSpreadsheet

8.8 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from PHPOffice

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PhpSpreadsheet vulnerable to SSRF when reading and displaying a processed HTML document in the browser

PHPOffice Math allows XXE when processing an XML file in the MathML format

Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet

Cross-Site Scripting (XSS) vulnerability in generateNavigation() function

PhpSpreadsheet vulnerable to bypass of the XSS sanitizer using the javascript protocol and special characters

Affected Vendor

PHPOffice

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Affected Software

PhpSpreadsheet

Vulnerable Versions:

< 2.2.1

Timeline

Official Publish: August 28th, 2024

Last Modified: August 29th, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1005 Data from Local System

T1040 Network Sniffing

T1105 Ingress Tool Transfer

Command and Control

T1499 Endpoint Denial of Service