Vulnerability · Published Aug 28, 2024 · Assigned by GitHub_M

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

High 8.8

In plain English

A high-severity XML external entity in PhpSpreadsheet from PHPOffice. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 50.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistphpoffice/phpexcelno fix listedGHSA-ghg6-32f9-2jp7
Packagistphpoffice/phpspreadsheet1.29.1GHSA-ghg6-32f9-2jp7
Packagistphpoffice/phpspreadsheet2.2.1GHSA-ghg6-32f9-2jp7
Packagistphpoffice/phpspreadsheet2.1.1GHSA-ghg6-32f9-2jp7

Affected products (as reported)

VendorProductVersions
PHPOffice PhpSpreadsheet < 2.2.1

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References