CVE-2024-56408

PhpSpreadsheet allows unauthorized reflected XSS in `Convert-Online.php` file

Published Jan 3, 2025 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed

Description

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

PHPOffice

PhpSpreadsheet

affected

Version	Status	Constraints
`>= 3.0.0, < 3.7.0`	affected	—
`< 1.29.7`	affected	—
`>= 2.0.0, < 2.1.6`	affected	—
`>= 2.2.0, < 2.3.5`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:phpoffice:phpspreadsheet::::::::
	cpe:2.3:a:phpoffice:phpspreadsheet::::::::
	cpe:2.3:a:phpoffice:phpspreadsheet::::::::
	cpe:2.3:a:phpoffice:phpspreadsheet::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-0053	PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Github GHSA	GHSA-x88g-h956-m5xg	PhpSpreadsheet allows unauthorized Reflected XSS in `Convert-Online.php` file

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact High

Subsequent System Availability Impact Low

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.414% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80346be269af668914172bc6f4521982d0b4
https://github.com/PHPOffice/PhpSpreadsheet/commit/9b9a55c7154daa7cd4095f618933c240508ba3c1
https://github.com/PHPOffice/PhpSpreadsheet/commit/a50ebfe118b3ae0ddaea1c48ac19dc38692f4abc
https://github.com/PHPOffice/PhpSpreadsheet/commit/b8fac55aa5cb7a3d514c7308378bb37bb711b25e
https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xg

History

May 20, 2025 6:45 PM Added references View changes

Type	Values Removed	Values Added
References		https://github.com/PHPOffice/PhpSpreadsheet/commit/9b9a55c7154daa7cd4095f618933c240508ba3c1 https://github.com/PHPOffice/PhpSpreadsheet/commit/a50ebfe118b3ae0ddaea1c48ac19dc38692f4abc https://github.com/PHPOffice/PhpSpreadsheet/commit/b8fac55aa5cb7a3d514c7308378bb37bb711b25e

Apr 21, 2025 5:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Phpoffice Phpoffice phpspreadsheet
CPEs		cpe:2.3:a:phpoffice:phpspreadsheet::::::::
Vendors & Products		Phpoffice Phpoffice phpspreadsheet
Metrics		cvssV3_1 `{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}`

Jan 3, 2025 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jan 3, 2025 5:30 PM Description updated. Title updated View changes

Type	Values Removed	Values Added
Description	PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.	PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Title	Phpspreadsheet allows unauthorized Reflected XSS in `Convert-Online.php` file	PhpSpreadsheet allows unauthorized reflected XSS in `Convert-Online.php` file

Jan 3, 2025 4:15 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Title		Phpspreadsheet allows unauthorized Reflected XSS in `Convert-Online.php` file
Weaknesses		CWE-79
References		https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80346be269af668914172bc6f4521982d0b4 https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xg
Metrics		cvssV4_0 `{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L'}`