CVE-2024-45292

Public Exploit
PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via JavaScript hyperlinks

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory github.com
Affected: PHPOffice PhpSpreadsheet
Published at:
Updated at:

References

Link Tags
https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r8w8-74ww-j4wh vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2024-45292?
CVE-2024-45292 has been scored as a medium severity vulnerability.
How to fix CVE-2024-45292?
To fix CVE-2024-45292, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-45292 being actively exploited in the wild?
It is possible that CVE-2024-45292 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-45292?
CVE-2024-45292 affects PHPOffice PhpSpreadsheet.
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