CVE-2024-45046

Published: Aug 28, 2024Modified: Sep 4, 2024

5.4

Vector

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

Exploitability: 2.3 / Impact: 2.7

Source: NVD

Description

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In affected versions `\PhpOffice\PhpSpreadsheet\Writer\Html` doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page. As a result an attacker may used a crafted spreadsheet to fully takeover a session of a user viewing spreadsheet files as HTML. This issue has been addressed in release version 2.1.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected (2)

Products: Phpoffice: Phpspreadsheet

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Phpoffice Phpspreadsheet	Before 1.29.1
Phpoffice Phpspreadsheet	From 2.0.0 to 2.1.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (3)

https://github.com/PHPOffice/PhpSpreadsheet/commit/f7cf378faed2e11cf4825bf8bafea4922ae44667

Source: security-advisories@github.com

Patch

https://github.com/PHPOffice/PhpSpreadsheet/pull/3957

Source: security-advisories@github.com

Issue TrackingPatch

https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-wgmf-q9vr-vww6

Source: security-advisories@github.com

ExploitThird Party Advisory

Timeline

No history available yet.