CVE-2024-45292

Name: CVE-2024-45292
Creator: NVD / NIST
Published: 2024-10-07T20:15:05.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2024-45292 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. `\PhpOffice\PhpSpreadsheet\Writer\Html` does not sanitize "javascript:" URLs from hyperlink `href` attributes, resulting in a Cross-Site Scripting vulnerability. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. `\PhpOffice\PhpSpreadsheet\Writer\Html` does not sanitize "javascript:" URLs from hyperlink `href` attributes, resulting in a Cross-Site Scripting vulnerability. This issue has been addressed in release versions 1.29.2, 2.1.1, and 2.3.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.32%

23.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Phpoffice	Phpspreadsheet	< 1.29.2
Phpoffice	Phpspreadsheet	>= 2.0.0, < 2.1.1
Phpoffice	Phpspreadsheet	>= 2.2.0, < 2.3.0

References

https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r8w8-74ww-j4whExploit, Vendor Advisory

Timeline

Published: Oct 7, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-45292?

How severe is CVE-2024-45292?

CVE-2024-45292 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45292?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-45292?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST